14#include "ruby/internal/config.h"
42# define EXIT_SUCCESS 0
46# define EXIT_FAILURE 1
53#ifdef HAVE_SYS_RESOURCE_H
54# include <sys/resource.h>
61#ifdef HAVE_SYS_PARAM_H
62# include <sys/param.h>
66# define MAXPATHLEN 1024
75#ifdef HAVE_SYS_TIMES_H
76# include <sys/times.h>
86int initgroups(
const char *, rb_gid_t);
95# include <mach/mach_time.h>
101#include "internal/bits.h"
102#include "internal/dir.h"
103#include "internal/error.h"
104#include "internal/eval.h"
105#include "internal/hash.h"
106#include "internal/io.h"
107#include "internal/numeric.h"
108#include "internal/object.h"
109#include "internal/process.h"
110#include "internal/thread.h"
111#include "internal/variable.h"
112#include "internal/warnings.h"
124#define open rb_w32_uopen
127#if defined(HAVE_TIMES) || defined(_WIN32)
134static VALUE rb_cProcessTms;
138#define WIFEXITED(w) (((w) & 0xff) == 0)
141#define WIFSIGNALED(w) (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f))
144#define WIFSTOPPED(w) (((w) & 0xff) == 0x7f)
147#define WEXITSTATUS(w) (((w) >> 8) & 0xff)
150#define WTERMSIG(w) ((w) & 0x7f)
153#define WSTOPSIG WEXITSTATUS
156#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__)
157#define HAVE_44BSD_SETUID 1
158#define HAVE_44BSD_SETGID 1
166#ifdef BROKEN_SETREUID
167#define setreuid ruby_setreuid
168int setreuid(rb_uid_t ruid, rb_uid_t euid);
170#ifdef BROKEN_SETREGID
171#define setregid ruby_setregid
172int setregid(rb_gid_t rgid, rb_gid_t egid);
175#if defined(HAVE_44BSD_SETUID) || defined(__APPLE__)
176#if !defined(USE_SETREUID) && !defined(BROKEN_SETREUID)
177#define OBSOLETE_SETREUID 1
179#if !defined(USE_SETREGID) && !defined(BROKEN_SETREGID)
180#define OBSOLETE_SETREGID 1
184static void check_uid_switch(
void);
185static void check_gid_switch(
void);
186static int exec_async_signal_safe(
const struct rb_execarg *,
char *,
size_t);
188VALUE rb_envtbl(
void);
189VALUE rb_env_to_hash(
void);
192#define p_uid_from_name p_uid_from_name
193#define p_gid_from_name p_gid_from_name
196#if defined(HAVE_UNISTD_H)
197# if defined(HAVE_GETLOGIN_R)
198# define USE_GETLOGIN_R 1
199# define GETLOGIN_R_SIZE_DEFAULT 0x100
200# define GETLOGIN_R_SIZE_LIMIT 0x1000
201# if defined(_SC_LOGIN_NAME_MAX)
202# define GETLOGIN_R_SIZE_INIT sysconf(_SC_LOGIN_NAME_MAX)
204# define GETLOGIN_R_SIZE_INIT GETLOGIN_R_SIZE_DEFAULT
206# elif defined(HAVE_GETLOGIN)
207# define USE_GETLOGIN 1
211#if defined(HAVE_PWD_H)
212# if defined(HAVE_GETPWUID_R)
213# define USE_GETPWUID_R 1
214# elif defined(HAVE_GETPWUID)
215# define USE_GETPWUID 1
217# if defined(HAVE_GETPWNAM_R)
218# define USE_GETPWNAM_R 1
219# elif defined(HAVE_GETPWNAM)
220# define USE_GETPWNAM 1
222# if defined(HAVE_GETPWNAM_R) || defined(HAVE_GETPWUID_R)
223# define GETPW_R_SIZE_DEFAULT 0x1000
224# define GETPW_R_SIZE_LIMIT 0x10000
225# if defined(_SC_GETPW_R_SIZE_MAX)
226# define GETPW_R_SIZE_INIT sysconf(_SC_GETPW_R_SIZE_MAX)
228# define GETPW_R_SIZE_INIT GETPW_R_SIZE_DEFAULT
231# ifdef USE_GETPWNAM_R
232# define PREPARE_GETPWNAM \
234# define FINISH_GETPWNAM \
235 (getpw_buf ? (void)rb_str_resize(getpw_buf, 0) : (void)0)
236# define OBJ2UID1(id) obj2uid((id), &getpw_buf)
237# define OBJ2UID(id) obj2uid0(id)
238static rb_uid_t obj2uid(
VALUE id,
VALUE *getpw_buf);
239static inline rb_uid_t
249# define PREPARE_GETPWNAM
250# define FINISH_GETPWNAM
251# define OBJ2UID1(id) obj2uid((id))
252# define OBJ2UID(id) obj2uid((id))
253static rb_uid_t obj2uid(
VALUE id);
256# define PREPARE_GETPWNAM
257# define FINISH_GETPWNAM
258# define OBJ2UID1(id) NUM2UIDT(id)
259# define OBJ2UID(id) NUM2UIDT(id)
260# ifdef p_uid_from_name
261# undef p_uid_from_name
262# define p_uid_from_name rb_f_notimplement
266#if defined(HAVE_GRP_H)
267# if defined(HAVE_GETGRNAM_R) && defined(_SC_GETGR_R_SIZE_MAX)
268# define USE_GETGRNAM_R
269# define GETGR_R_SIZE_INIT sysconf(_SC_GETGR_R_SIZE_MAX)
270# define GETGR_R_SIZE_DEFAULT 0x1000
271# define GETGR_R_SIZE_LIMIT 0x10000
273# ifdef USE_GETGRNAM_R
274# define PREPARE_GETGRNAM \
276# define FINISH_GETGRNAM \
277 (getgr_buf ? (void)rb_str_resize(getgr_buf, 0) : (void)0)
278# define OBJ2GID1(id) obj2gid((id), &getgr_buf)
279# define OBJ2GID(id) obj2gid0(id)
280static rb_gid_t obj2gid(
VALUE id,
VALUE *getgr_buf);
281static inline rb_gid_t
290static rb_gid_t obj2gid(
VALUE id,
VALUE *getgr_buf);
292# define PREPARE_GETGRNAM
293# define FINISH_GETGRNAM
294# define OBJ2GID1(id) obj2gid((id))
295# define OBJ2GID(id) obj2gid((id))
296static rb_gid_t obj2gid(
VALUE id);
299# define PREPARE_GETGRNAM
300# define FINISH_GETGRNAM
301# define OBJ2GID1(id) NUM2GIDT(id)
302# define OBJ2GID(id) NUM2GIDT(id)
303# ifdef p_gid_from_name
304# undef p_gid_from_name
305# define p_gid_from_name rb_f_notimplement
309#if SIZEOF_CLOCK_T == SIZEOF_INT
310typedef unsigned int unsigned_clock_t;
311#elif SIZEOF_CLOCK_T == SIZEOF_LONG
312typedef unsigned long unsigned_clock_t;
313#elif defined(HAVE_LONG_LONG) && SIZEOF_CLOCK_T == SIZEOF_LONG_LONG
314typedef unsigned LONG_LONG unsigned_clock_t;
317typedef void (*sig_t) (int);
320#define id_exception idException
321static ID id_in, id_out, id_err, id_pid, id_uid, id_gid;
322static ID id_close, id_child;
327static ID id_new_pgroup;
329static ID id_unsetenv_others, id_chdir, id_umask, id_close_others;
330static ID id_nanosecond, id_microsecond, id_millisecond, id_second;
331static ID id_float_microsecond, id_float_millisecond, id_float_second;
332static ID id_GETTIMEOFDAY_BASED_CLOCK_REALTIME, id_TIME_BASED_CLOCK_REALTIME;
334static ID id_CLOCK_REALTIME;
335# define RUBY_CLOCK_REALTIME ID2SYM(id_CLOCK_REALTIME)
337#ifdef CLOCK_MONOTONIC
338static ID id_CLOCK_MONOTONIC;
339# define RUBY_CLOCK_MONOTONIC ID2SYM(id_CLOCK_MONOTONIC)
341#ifdef CLOCK_PROCESS_CPUTIME_ID
342static ID id_CLOCK_PROCESS_CPUTIME_ID;
343# define RUBY_CLOCK_PROCESS_CPUTIME_ID ID2SYM(id_CLOCK_PROCESS_CPUTIME_ID)
345#ifdef CLOCK_THREAD_CPUTIME_ID
346static ID id_CLOCK_THREAD_CPUTIME_ID;
347# define RUBY_CLOCK_THREAD_CPUTIME_ID ID2SYM(id_CLOCK_THREAD_CPUTIME_ID)
350static ID id_TIMES_BASED_CLOCK_MONOTONIC;
351static ID id_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID;
354static ID id_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID;
356static ID id_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID;
358static ID id_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC;
359# define RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC ID2SYM(id_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC)
363static rb_pid_t cached_pid;
366#if defined(__sun) && !defined(_XPG7)
367#define execv(path, argv) (rb_async_bug_errno("unreachable: async-signal-unsafe execv() is called", 0))
368#define execl(path, arg0, arg1, arg2, term) do { extern char **environ; execle((path), (arg0), (arg1), (arg2), (term), (environ)); } while (0)
369#define ALWAYS_NEED_ENVP 1
371#define ALWAYS_NEED_ENVP 0
375assert_close_on_exec(
int fd)
378#if defined(HAVE_FCNTL) && defined(F_GETFD) && defined(FD_CLOEXEC)
379 int flags = fcntl(fd, F_GETFD);
381 static const char m[] =
"reserved FD closed unexpectedly?\n";
382 (void)!write(2, m,
sizeof(m) - 1);
385 if (flags & FD_CLOEXEC)
return;
386 rb_bug(
"reserved FD did not have close-on-exec set");
388 rb_bug(
"reserved FD without close-on-exec support");
394close_unless_reserved(
int fd)
397 assert_close_on_exec(fd);
404#if defined(DEBUG_REDIRECT)
407ttyprintf(
const char *fmt, ...)
413 tty = fopen(
"con",
"w");
415 tty = fopen(
"/dev/tty",
"w");
421 vfprintf(tty, fmt, ap);
428redirect_dup(
int oldfd)
432 ttyprintf(
"dup(%d) => %d\n", oldfd, ret);
437redirect_dup2(
int oldfd,
int newfd)
440 ret = dup2(oldfd, newfd);
441 ttyprintf(
"dup2(%d, %d) => %d\n", oldfd, newfd, ret);
446redirect_cloexec_dup(
int oldfd)
450 ttyprintf(
"cloexec_dup(%d) => %d\n", oldfd, ret);
455redirect_cloexec_dup2(
int oldfd,
int newfd)
459 ttyprintf(
"cloexec_dup2(%d, %d) => %d\n", oldfd, newfd, ret);
464redirect_close(
int fd)
467 ret = close_unless_reserved(fd);
468 ttyprintf(
"close(%d) => %d\n", fd, ret);
473parent_redirect_open(
const char *pathname,
int flags, mode_t perm)
477 ttyprintf(
"parent_open(\"%s\", 0x%x, 0%o) => %d\n", pathname, flags, perm, ret);
482parent_redirect_close(
int fd)
485 ret = close_unless_reserved(fd);
486 ttyprintf(
"parent_close(%d) => %d\n", fd, ret);
491#define redirect_dup(oldfd) dup(oldfd)
492#define redirect_dup2(oldfd, newfd) dup2((oldfd), (newfd))
493#define redirect_cloexec_dup(oldfd) rb_cloexec_dup(oldfd)
494#define redirect_cloexec_dup2(oldfd, newfd) rb_cloexec_dup2((oldfd), (newfd))
495#define redirect_close(fd) close_unless_reserved(fd)
496#define parent_redirect_open(pathname, flags, perm) rb_cloexec_open((pathname), (flags), (perm))
497#define parent_redirect_close(fd) close_unless_reserved(fd)
503 if (UNLIKELY(!cached_pid)) {
504 cached_pid = getpid();
510#if defined HAVE_WORKING_FORK || defined HAVE_DAEMON
584static VALUE rb_cProcessStatus;
599 .flags = RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_WB_PROTECTED | RUBY_TYPED_EMBEDDABLE,
603rb_process_status_allocate(
VALUE klass)
612 return GET_THREAD()->last_status;
638proc_s_last_status(
VALUE mod)
644rb_process_status_new(rb_pid_t pid,
int status,
int error)
646 VALUE last_status = rb_process_status_allocate(rb_cProcessStatus);
649 data->status = status;
657process_status_dump(
VALUE status)
670process_status_load(
VALUE real_obj,
VALUE load_obj)
673 VALUE status = rb_attr_get(load_obj, id_status);
674 VALUE pid = rb_attr_get(load_obj, id_pid);
683 GET_THREAD()->last_status = rb_process_status_new(pid, status, 0);
689 th->last_status =
Qnil;
693rb_last_status_clear(
void)
695 last_status_clear(GET_THREAD());
707pst_status(
VALUE status)
727 int status = pst_status(self);
731#define PST2INT(st) pst_status(st)
747 rb_pid_t pid = pst_pid(self);
751static VALUE pst_message_status(
VALUE str,
int status);
754pst_message(
VALUE str, rb_pid_t pid,
int status)
756 rb_str_catf(str,
"pid %ld", (
long)pid);
757 pst_message_status(str, status);
761pst_message_status(
VALUE str,
int status)
763 if (WIFSTOPPED(status)) {
764 int stopsig = WSTOPSIG(status);
767 rb_str_catf(str,
" stopped SIG%s (signal %d)", signame, stopsig);
770 rb_str_catf(str,
" stopped signal %d", stopsig);
773 if (WIFSIGNALED(status)) {
774 int termsig = WTERMSIG(status);
777 rb_str_catf(str,
" SIG%s (signal %d)", signame, termsig);
780 rb_str_catf(str,
" signal %d", termsig);
783 if (WIFEXITED(status)) {
784 rb_str_catf(str,
" exit %d", WEXITSTATUS(status));
787 if (WCOREDUMP(status)) {
815 status = PST2INT(st);
818 pst_message(str, pid, status);
845 status = PST2INT(st);
848 pst_message(str, pid, status);
870 if (st1 == st2)
return Qtrue;
871 return rb_equal(pst_to_i(st1), st2);
885pst_wifstopped(
VALUE st)
887 int status = PST2INT(st);
889 return RBOOL(WIFSTOPPED(status));
902pst_wstopsig(
VALUE st)
904 int status = PST2INT(st);
906 if (WIFSTOPPED(status))
907 return INT2NUM(WSTOPSIG(status));
921pst_wifsignaled(
VALUE st)
923 int status = PST2INT(st);
925 return RBOOL(WIFSIGNALED(status));
938pst_wtermsig(
VALUE st)
940 int status = PST2INT(st);
942 if (WIFSIGNALED(status))
943 return INT2NUM(WTERMSIG(status));
958pst_wifexited(
VALUE st)
960 int status = PST2INT(st);
962 return RBOOL(WIFEXITED(status));
980pst_wexitstatus(
VALUE st)
982 int status = PST2INT(st);
984 if (WIFEXITED(status))
985 return INT2NUM(WEXITSTATUS(status));
1003pst_success_p(
VALUE st)
1005 int status = PST2INT(st);
1007 if (!WIFEXITED(status))
1009 return RBOOL(WEXITSTATUS(status) == EXIT_SUCCESS);
1024pst_wcoredump(
VALUE st)
1027 int status = PST2INT(st);
1029 return RBOOL(WCOREDUMP(status));
1036do_waitpid(rb_pid_t pid,
int *st,
int flags)
1038#if defined HAVE_WAITPID
1039 return waitpid(pid, st, flags);
1040#elif defined HAVE_WAIT4
1041 return wait4(pid, st, flags, NULL);
1043# error waitpid or wait4 is required.
1048 struct ccan_list_node wnode;
1050 rb_nativethread_cond_t *cond;
1059waitpid_state_init(
struct waitpid_state *w, rb_pid_t pid,
int options)
1063 w->options = options;
1069waitpid_blocking_no_SIGCHLD(
void *x)
1073 w->ret = do_waitpid(w->pid, &w->status, w->options);
1081 if (w->options & WNOHANG) {
1082 w->ret = do_waitpid(w->pid, &w->status, w->options);
1087 }
while (w->ret < 0 &&
errno == EINTR && (RUBY_VM_CHECK_INTS(w->ec),1));
1097 if (!(flags & WNOHANG)) {
1099 if (scheduler !=
Qnil) {
1101 if (!UNDEF_P(result))
return result;
1148rb_process_status_waitv(
int argc,
VALUE *argv,
VALUE _)
1170 if (
NIL_P(status))
return 0;
1175 if (st) *st = data->status;
1178 errno = data->error;
1181 GET_THREAD()->last_status = status;
1188proc_wait(
int argc,
VALUE *argv)
1200 if (argc == 2 && !
NIL_P(vflags = argv[1])) {
1205 if ((pid =
rb_waitpid(pid, &status, flags)) < 0)
1209 rb_last_status_clear();
1366 return proc_wait(c, v);
1386 VALUE pid = proc_wait(argc, argv);
1415 rb_last_status_clear();
1430static VALUE rb_cWaiter;
1433detach_process_pid(
VALUE thread)
1439detach_process_watcher(
void *arg)
1441 rb_pid_t cpid, pid = (rb_pid_t)(
VALUE)arg;
1444 while ((cpid =
rb_waitpid(pid, &status, 0)) == 0) {
1455 RBASIC_SET_CLASS(watcher, rb_cWaiter);
1507before_exec_async_signal_safe(
void)
1512before_exec_non_async_signal_safe(
void)
1523 rb_thread_stop_timer_thread();
1526#define WRITE_CONST(fd, str) (void)(write((fd),(str),sizeof(str)-1)<0)
1528int rb_w32_set_nonblock2(
int fd,
int nonblock);
1535 return rb_w32_set_nonblock2(fd, 0);
1536#elif defined(F_GETFL) && defined(F_SETFL)
1537 int fl = fcntl(fd, F_GETFL);
1540 if (fl == -1)
return fl;
1541 if (fl & O_NONBLOCK) {
1543 return fcntl(fd, F_SETFL, fl);
1550stdfd_clear_nonblock(
void)
1554 for (fd = 0; fd < 3; fd++) {
1555 (void)set_blocking(fd);
1562 before_exec_non_async_signal_safe();
1563 before_exec_async_signal_safe();
1569 rb_thread_reset_timer_thread();
1570 rb_thread_start_timer_thread();
1573#if defined HAVE_WORKING_FORK || defined HAVE_DAEMON
1575before_fork_ruby(
void)
1577 rb_gc_before_fork();
1582after_fork_ruby(rb_pid_t pid)
1584 rb_gc_after_fork(pid);
1598#if defined(HAVE_WORKING_FORK)
1600COMPILER_WARNING_PUSH
1601#if __has_warning("-Wdeprecated-declarations") || RBIMPL_COMPILER_IS(GCC)
1602COMPILER_WARNING_IGNORED(-Wdeprecated-declarations)
1604static inline rb_pid_t
1612#define try_with_sh(err, prog, argv, envp) ((err == ENOEXEC) ? exec_with_sh((prog), (argv), (envp)) : (void)0)
1614exec_with_sh(
const char *prog,
char **argv,
char **envp)
1616 *argv = (
char *)prog;
1617 *--argv = (
char *)
"sh";
1619 execve(
"/bin/sh", argv, envp);
1621 execv(
"/bin/sh", argv);
1625#define try_with_sh(err, prog, argv, envp) (void)0
1630proc_exec_cmd(
const char *prog,
VALUE argv_str,
VALUE envp_str)
1638 argv = ARGVSTR2ARGV(argv_str);
1645 rb_w32_uaspawn(P_OVERLAY, prog, argv);
1648 envp = envp_str ? RB_IMEMO_TMPBUF_PTR(envp_str) : NULL;
1650 execve(prog, argv, envp);
1654 try_with_sh(err, prog, argv, envp);
1661proc_exec_sh(
const char *str,
VALUE envp_str)
1666 while (*s ==
' ' || *s ==
'\t' || *s ==
'\n')
1674 rb_w32_uspawn(P_OVERLAY, (
char *)str, 0);
1675#elif defined(__CYGWIN32__)
1677 char fbuf[MAXPATHLEN];
1678 char *shell = dln_find_exe_r(
"sh", 0, fbuf,
sizeof(fbuf));
1681 execl(shell,
"sh",
"-c", str, (
char *) NULL);
1683 status = system(str);
1689 execle(
"/bin/sh",
"sh",
"-c", str, (
char *)NULL, RB_IMEMO_TMPBUF_PTR(envp_str));
1691 execl(
"/bin/sh",
"sh",
"-c", str, (
char *)NULL);
1701 ret = proc_exec_sh(str,
Qfalse);
1708mark_exec_arg(
void *ptr)
1711 if (eargp->use_shell)
1712 rb_gc_mark(eargp->invoke.sh.shell_script);
1714 rb_gc_mark(eargp->invoke.cmd.command_name);
1715 rb_gc_mark(eargp->invoke.cmd.command_abspath);
1716 rb_gc_mark(eargp->invoke.cmd.argv_str);
1717 rb_gc_mark(eargp->invoke.cmd.argv_buf);
1719 rb_gc_mark(eargp->redirect_fds);
1720 rb_gc_mark(eargp->envp_str);
1721 rb_gc_mark(eargp->envp_buf);
1722 rb_gc_mark(eargp->dup2_tmpbuf);
1723 rb_gc_mark(eargp->rlimit_limits);
1724 rb_gc_mark(eargp->fd_dup2);
1725 rb_gc_mark(eargp->fd_close);
1726 rb_gc_mark(eargp->fd_open);
1727 rb_gc_mark(eargp->fd_dup2_child);
1728 rb_gc_mark(eargp->env_modification);
1729 rb_gc_mark(eargp->path_env);
1730 rb_gc_mark(eargp->chdir_dir);
1734memsize_exec_arg(
const void *ptr)
1742 0, 0, RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_EMBEDDABLE
1746# define DEFAULT_PROCESS_ENCODING rb_utf8_encoding()
1748#ifdef DEFAULT_PROCESS_ENCODING
1749# define EXPORT_STR(str) rb_str_export_to_enc((str), DEFAULT_PROCESS_ENCODING)
1750# define EXPORT_DUP(str) export_dup(str)
1752export_dup(
VALUE str)
1754 VALUE newstr = EXPORT_STR(str);
1759# define EXPORT_STR(str) (str)
1760# define EXPORT_DUP(str) rb_str_dup(str)
1763#if !defined(HAVE_WORKING_FORK) && defined(HAVE_SPAWNV)
1764# define USE_SPAWNV 1
1766# define USE_SPAWNV 0
1769# define P_NOWAIT _P_NOWAIT
1774#define proc_spawn_cmd_internal(argv, prog) rb_w32_uaspawn(P_NOWAIT, (prog), (argv))
1777proc_spawn_cmd_internal(
char **argv,
char *prog)
1779 char fbuf[MAXPATHLEN];
1784 prog = dln_find_exe_r(prog, 0, fbuf,
sizeof(fbuf));
1789 status = spawnv(P_NOWAIT, prog, (
const char **)argv);
1790 if (status == -1 &&
errno == ENOEXEC) {
1791 *argv = (
char *)prog;
1792 *--argv = (
char *)
"sh";
1793 status = spawnv(P_NOWAIT,
"/bin/sh", (
const char **)argv);
1795 if (status == -1)
errno = ENOEXEC;
1809 if (eargp->new_pgroup_given && eargp->new_pgroup_flag) {
1810 flags = CREATE_NEW_PROCESS_GROUP;
1812 pid = rb_w32_uaspawn_flags(P_NOWAIT, prog ? RSTRING_PTR(prog) : 0, argv, flags);
1814 pid = proc_spawn_cmd_internal(argv, prog ? RSTRING_PTR(prog) : 0);
1821#define proc_spawn_sh(str) rb_w32_uspawn(P_NOWAIT, (str), 0)
1824proc_spawn_sh(
char *str)
1826 char fbuf[MAXPATHLEN];
1829 char *shell = dln_find_exe_r(
"sh", 0, fbuf,
sizeof(fbuf));
1831 status = spawnl(P_NOWAIT, (shell ? shell :
"/bin/sh"),
"sh",
"-c", str, (char*)NULL);
1841 RBASIC_CLEAR_CLASS(obj);
1846check_exec_redirect_fd(
VALUE v,
int iskey)
1857 else if (
id == id_out)
1859 else if (
id == id_err)
1868 rb_raise(rb_eArgError,
"duplex IO redirection");
1875 rb_raise(rb_eArgError,
"negative file descriptor");
1878 else if (fd >= 3 && iskey) {
1879 rb_raise(rb_eArgError,
"wrong file descriptor (%d)", fd);
1885 rb_raise(rb_eArgError,
"wrong exec redirect");
1896 VALUE fd = check_exec_redirect_fd(key, !
NIL_P(param));
1903 VALUE fd = check_exec_redirect_fd(v, !
NIL_P(param));
1914 VALUE path, flags, perm;
1918 switch (
TYPE(val)) {
1921 if (
id == id_close) {
1923 eargp->fd_close = check_exec_redirect1(eargp->fd_close, key, param);
1925 else if (
id == id_in) {
1927 eargp->fd_dup2 = check_exec_redirect1(eargp->fd_dup2, key, param);
1929 else if (
id == id_out) {
1931 eargp->fd_dup2 = check_exec_redirect1(eargp->fd_dup2, key, param);
1933 else if (
id == id_err) {
1935 eargp->fd_dup2 = check_exec_redirect1(eargp->fd_dup2, key, param);
1938 rb_raise(rb_eArgError,
"wrong exec redirect symbol: %"PRIsVALUE,
1945 val = check_exec_redirect_fd(val, 0);
1949 eargp->fd_dup2 = check_exec_redirect1(eargp->fd_dup2, key, param);
1955 path ==
ID2SYM(id_child)) {
1956 param = check_exec_redirect_fd(
rb_ary_entry(val, 1), 0);
1957 eargp->fd_dup2_child = check_exec_redirect1(eargp->fd_dup2_child, key, param);
1970 param = hide_obj(
rb_ary_new3(4, hide_obj(EXPORT_DUP(path)),
1971 flags, perm,
Qnil));
1972 eargp->fd_open = check_exec_redirect1(eargp->fd_open, key, param);
1980 key = check_exec_redirect_fd(key, 1);
1982 flags =
INT2NUM(O_WRONLY|O_CREAT|O_TRUNC);
1987 VALUE fd = check_exec_redirect_fd(v, 1);
1991 flags =
INT2NUM(O_WRONLY|O_CREAT|O_TRUNC);
1998 param = hide_obj(
rb_ary_new3(4, hide_obj(EXPORT_DUP(path)),
1999 flags, perm,
Qnil));
2000 eargp->fd_open = check_exec_redirect1(eargp->fd_open, key, param);
2006 if (!
NIL_P(val))
goto io;
2007 rb_raise(rb_eArgError,
"wrong exec redirect action");
2012#if defined(HAVE_SETRLIMIT) && defined(NUM2RLIM)
2013static int rlimit_type_by_sym(
VALUE key);
2016rb_execarg_addopt_rlimit(
struct rb_execarg *eargp,
int rtype,
VALUE val)
2018 VALUE ary = eargp->rlimit_limits;
2019 VALUE tmp, softlim, hardlim;
2020 if (eargp->rlimit_limits ==
Qfalse)
2021 ary = eargp->rlimit_limits = hide_obj(
rb_ary_new());
2023 ary = eargp->rlimit_limits;
2033 rb_raise(rb_eArgError,
"wrong exec rlimit option");
2044#define TO_BOOL(val, name) (NIL_P(val) ? 0 : rb_bool_expected((val), name, TRUE))
2048 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
2052 switch (
TYPE(key)) {
2054#if defined(HAVE_SETRLIMIT) && defined(NUM2RLIM)
2056 int rtype = rlimit_type_by_sym(key);
2058 rb_execarg_addopt_rlimit(eargp, rtype, val);
2066 if (
id == id_pgroup) {
2068 if (eargp->pgroup_given) {
2069 rb_raise(rb_eArgError,
"pgroup option specified twice");
2073 else if (val ==
Qtrue)
2078 rb_raise(rb_eArgError,
"negative process group ID : %ld", (
long)pgroup);
2081 eargp->pgroup_given = 1;
2082 eargp->pgroup_pgid = pgroup;
2087 if (
id == id_new_pgroup) {
2088 if (eargp->new_pgroup_given) {
2089 rb_raise(rb_eArgError,
"new_pgroup option specified twice");
2091 eargp->new_pgroup_given = 1;
2092 eargp->new_pgroup_flag = TO_BOOL(val,
"new_pgroup");
2096 if (
id == id_unsetenv_others) {
2097 if (eargp->unsetenv_others_given) {
2098 rb_raise(rb_eArgError,
"unsetenv_others option specified twice");
2100 eargp->unsetenv_others_given = 1;
2101 eargp->unsetenv_others_do = TO_BOOL(val,
"unsetenv_others");
2103 else if (
id == id_chdir) {
2104 if (eargp->chdir_given) {
2105 rb_raise(rb_eArgError,
"chdir option specified twice");
2108 val = rb_str_encode_ospath(val);
2109 eargp->chdir_given = 1;
2110 eargp->chdir_dir = hide_obj(EXPORT_DUP(val));
2112 else if (
id == id_umask) {
2114 if (eargp->umask_given) {
2115 rb_raise(rb_eArgError,
"umask option specified twice");
2117 eargp->umask_given = 1;
2118 eargp->umask_mask = cmask;
2120 else if (
id == id_close_others) {
2121 if (eargp->close_others_given) {
2122 rb_raise(rb_eArgError,
"close_others option specified twice");
2124 eargp->close_others_given = 1;
2125 eargp->close_others_do = TO_BOOL(val,
"close_others");
2127 else if (
id == id_in) {
2131 else if (
id == id_out) {
2135 else if (
id == id_err) {
2139 else if (
id == id_uid) {
2141 if (eargp->uid_given) {
2142 rb_raise(rb_eArgError,
"uid option specified twice");
2146 eargp->uid = OBJ2UID(val);
2147 eargp->uid_given = 1;
2151 "uid option is unimplemented on this machine");
2154 else if (
id == id_gid) {
2156 if (eargp->gid_given) {
2157 rb_raise(rb_eArgError,
"gid option specified twice");
2161 eargp->gid = OBJ2GID(val);
2162 eargp->gid_given = 1;
2166 "gid option is unimplemented on this machine");
2169 else if (
id == id_exception) {
2170 if (eargp->exception_given) {
2171 rb_raise(rb_eArgError,
"exception option specified twice");
2173 eargp->exception_given = 1;
2174 eargp->exception = TO_BOOL(val,
"exception");
2185 check_exec_redirect(key, val, eargp);
2197check_exec_options_i(st_data_t st_key, st_data_t st_val, st_data_t arg)
2202 if (rb_execarg_addopt(execarg_obj, key, val) != ST_CONTINUE) {
2204 rb_raise(rb_eArgError,
"wrong exec option symbol: % "PRIsVALUE,
2206 rb_raise(rb_eArgError,
"wrong exec option");
2212check_exec_options_i_extract(st_data_t st_key, st_data_t st_val, st_data_t arg)
2217 VALUE execarg_obj = args[0];
2218 if (rb_execarg_addopt(execarg_obj, key, val) != ST_CONTINUE) {
2219 VALUE nonopts = args[1];
2220 if (
NIL_P(nonopts)) args[1] = nonopts = rb_hash_new();
2221 rb_hash_aset(nonopts, key, val);
2236 rb_raise(rb_eArgError,
"fd %d specified twice", fd);
2238 if (ary == eargp->fd_dup2)
2240 else if (ary == eargp->fd_dup2_child)
2246 if (ary == eargp->fd_dup2 || ary == eargp->fd_dup2_child) {
2259 VALUE h = rb_hash_new();
2264 maxhint = check_exec_fds_1(eargp, h, maxhint, eargp->fd_dup2);
2265 maxhint = check_exec_fds_1(eargp, h, maxhint, eargp->fd_close);
2266 maxhint = check_exec_fds_1(eargp, h, maxhint, eargp->fd_dup2_child);
2268 if (eargp->fd_dup2_child) {
2269 ary = eargp->fd_dup2_child;
2279 val = rb_hash_lookup(h, val);
2281 rb_raise(rb_eArgError,
"cyclic child fd redirection from %d", oldfd);
2285 rb_raise(rb_eArgError,
"child fd %d is not redirected", oldfd);
2286 if (oldfd != lastfd) {
2291 while (
FIXNUM_P(val2 = rb_hash_lookup(h, val))) {
2292 rb_hash_aset(h, val,
INT2FIX(lastfd));
2299 eargp->close_others_maxhint = maxhint;
2304rb_check_exec_options(
VALUE opthash,
VALUE execarg_obj)
2308 rb_hash_stlike_foreach(opthash, check_exec_options_i, (st_data_t)execarg_obj);
2312rb_execarg_extract_options(
VALUE execarg_obj,
VALUE opthash)
2317 args[0] = execarg_obj;
2319 rb_hash_stlike_foreach(opthash, check_exec_options_i_extract, (st_data_t)args);
2323#ifdef ENV_IGNORECASE
2324#define ENVMATCH(s1, s2) (STRCASECMP((s1), (s2)) == 0)
2326#define ENVMATCH(n1, n2) (strcmp((n1), (n2)) == 0)
2330check_exec_env_i(st_data_t st_key, st_data_t st_val, st_data_t arg)
2340 rb_raise(rb_eArgError,
"environment name contains a equal : %"PRIsVALUE, key);
2345 key = EXPORT_STR(key);
2346 if (!
NIL_P(val)) val = EXPORT_STR(val);
2363 rb_hash_stlike_foreach(hash, check_exec_env_i, (st_data_t)env);
2370rb_check_argv(
int argc,
VALUE *argv)
2381 rb_raise(rb_eArgError,
"wrong first argument");
2389 for (i = 0; i < argc; i++) {
2398check_hash(
VALUE obj)
2408 return rb_check_hash_type(obj);
2412rb_exec_getargs(
int *argc_p,
VALUE **argv_p,
int accept_shell,
VALUE *env_ret,
VALUE *opthash_ret)
2417 hash = check_hash((*argv_p)[*argc_p-1]);
2419 *opthash_ret = hash;
2425 hash = check_hash((*argv_p)[0]);
2432 prog = rb_check_argv(*argc_p, *argv_p);
2434 prog = (*argv_p)[0];
2435 if (accept_shell && *argc_p == 1) {
2450compare_posix_sh(
const void *key,
const void *el)
2453 int ret = strncmp(word->ptr, el, word->len);
2454 if (!ret && ((
const char *)el)[word->len]) ret = -1;
2462 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
2463 char fbuf[MAXPATHLEN];
2467 if (!
NIL_P(opthash)) {
2468 rb_check_exec_options(opthash, execarg_obj);
2471 env = rb_check_exec_env(env, &eargp->path_env);
2472 eargp->env_modification = env;
2475 prog = EXPORT_STR(prog);
2476 eargp->use_shell = argc == 0;
2477 if (eargp->use_shell)
2478 eargp->invoke.sh.shell_script = prog;
2480 eargp->invoke.cmd.command_name = prog;
2483 if (eargp->use_shell) {
2484 static const char posix_sh_cmds[][9] = {
2542 for (p = RSTRING_PTR(prog); *p; p++) {
2543 if (*p ==
' ' || *p ==
'\t') {
2544 if (first.ptr && !first.len) first.len = p - first.ptr;
2547 if (!first.ptr) first.ptr = p;
2549 if (!has_meta && strchr(
"*?{}[]<>()~&|\\$;'`\"\n#", *p))
2555 else if (*p ==
'/') {
2562 if (!has_meta && first.ptr) {
2563 if (!first.len) first.len = p - first.ptr;
2564 if (first.len > 0 && first.len <=
sizeof(posix_sh_cmds[0]) &&
2565 bsearch(&first, posix_sh_cmds, numberof(posix_sh_cmds),
sizeof(posix_sh_cmds[0]), compare_posix_sh))
2570 eargp->use_shell = 0;
2572 if (!eargp->use_shell) {
2575 p = RSTRING_PTR(prog);
2577 while (*p ==
' ' || *p ==
'\t')
2581 while (*p && *p !=
' ' && *p !=
'\t')
2587 eargp->invoke.cmd.argv_buf = argv_buf;
2588 eargp->invoke.cmd.command_name =
2589 hide_obj(
rb_str_subseq(argv_buf, 0, strlen(RSTRING_PTR(argv_buf))));
2590 rb_enc_copy(eargp->invoke.cmd.command_name, prog);
2595 if (!eargp->use_shell) {
2596 const char *abspath;
2597 const char *path_env = 0;
2598 if (
RTEST(eargp->path_env)) path_env = RSTRING_PTR(eargp->path_env);
2599 abspath = dln_find_exe_r(RSTRING_PTR(eargp->invoke.cmd.command_name),
2600 path_env, fbuf,
sizeof(fbuf));
2604 eargp->invoke.cmd.command_abspath =
Qnil;
2607 if (!eargp->use_shell && !eargp->invoke.cmd.argv_buf) {
2612 for (i = 0; i < argc; i++) {
2613 VALUE arg = argv[i];
2615#ifdef DEFAULT_PROCESS_ENCODING
2616 arg = EXPORT_STR(arg);
2617 s = RSTRING_PTR(arg);
2621 eargp->invoke.cmd.argv_buf = argv_buf;
2624 if (!eargp->use_shell) {
2625 const char *p, *ep, *null=NULL;
2629 p = RSTRING_PTR(eargp->invoke.cmd.argv_buf);
2630 ep = p + RSTRING_LEN(eargp->invoke.cmd.argv_buf);
2636 eargp->invoke.cmd.argv_str =
2637 rb_imemo_tmpbuf_auto_free_pointer_new_from_an_RString(argv_str);
2643rb_execarg_get(
VALUE execarg_obj)
2651rb_execarg_init(
int argc,
const VALUE *orig_argv,
int accept_shell,
VALUE execarg_obj)
2653 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
2659 prog = rb_exec_getargs(&argc, &argv, accept_shell, &env, &opthash);
2660 rb_exec_fillarg(prog, argc, argv, env, opthash, execarg_obj);
2662 ret = eargp->use_shell ? eargp->invoke.sh.shell_script : eargp->invoke.cmd.command_name;
2668rb_execarg_new(
int argc,
const VALUE *argv,
int accept_shell,
int allow_exc_opt)
2673 rb_execarg_init(argc, argv, accept_shell, execarg_obj);
2674 if (!allow_exc_opt && eargp->exception_given) {
2675 rb_raise(rb_eArgError,
"exception option is not allowed");
2681rb_execarg_setenv(
VALUE execarg_obj,
VALUE env)
2683 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
2684 env = !
NIL_P(env) ? rb_check_exec_env(env, &eargp->path_env) :
Qfalse;
2685 eargp->env_modification = env;
2690fill_envp_buf_i(st_data_t st_key, st_data_t st_val, st_data_t arg)
2705static long run_exec_dup2_tmpbuf_size(
long n);
2719 const char *fname = RSTRING_PTR(data->fname);
2720 data->ret = parent_redirect_open(fname, data->oflags, data->perm);
2726rb_execarg_allocate_dup2_tmpbuf(
struct rb_execarg *eargp,
long len)
2728 VALUE tmpbuf = rb_imemo_tmpbuf_auto_free_pointer();
2729 rb_imemo_tmpbuf_set_ptr(tmpbuf, ruby_xmalloc(run_exec_dup2_tmpbuf_size(
len)));
2730 eargp->dup2_tmpbuf = tmpbuf;
2734rb_execarg_parent_start1(
VALUE execarg_obj)
2736 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
2737 int unsetenv_others;
2741 ary = eargp->fd_open;
2756 open_data.fname = vpath;
2757 open_data.oflags = flags;
2758 open_data.perm = perm;
2760 open_data.err = EINTR;
2762 if (open_data.ret == -1) {
2763 if (open_data.err == EINTR) {
2769 fd2 = open_data.ret;
2781 eargp->redirect_fds = check_exec_fds(eargp);
2783 ary = eargp->fd_dup2;
2785 rb_execarg_allocate_dup2_tmpbuf(eargp,
RARRAY_LEN(ary));
2788 unsetenv_others = eargp->unsetenv_others_given && eargp->unsetenv_others_do;
2789 envopts = eargp->env_modification;
2790 if (ALWAYS_NEED_ENVP || unsetenv_others || envopts !=
Qfalse) {
2791 VALUE envtbl, envp_str, envp_buf;
2793 if (unsetenv_others) {
2794 envtbl = rb_hash_new();
2797 envtbl = rb_env_to_hash();
2801 st_table *stenv = RHASH_TBL_RAW(envtbl);
2808 st_data_t stkey = (st_data_t)key;
2809 st_delete(stenv, &stkey, NULL);
2812 st_insert(stenv, (st_data_t)key, (st_data_t)val);
2820 rb_hash_stlike_foreach(envtbl, fill_envp_buf_i, (st_data_t)envp_buf);
2823 p = RSTRING_PTR(envp_buf);
2824 ep = p + RSTRING_LEN(envp_buf);
2832 rb_imemo_tmpbuf_auto_free_pointer_new_from_an_RString(envp_str);
2833 eargp->envp_buf = envp_buf;
2849rb_execarg_parent_start(
VALUE execarg_obj)
2852 rb_protect(rb_execarg_parent_start1, execarg_obj, &state);
2854 rb_execarg_parent_end(execarg_obj);
2860execarg_parent_end(
VALUE execarg_obj)
2862 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
2866 ary = eargp->fd_open;
2877 parent_redirect_close(fd2);
2889rb_execarg_parent_end(
VALUE execarg_obj)
2891 execarg_parent_end(execarg_obj);
2896rb_exec_fail(
struct rb_execarg *eargp,
int err,
const char *errmsg)
2898 if (!errmsg || !*errmsg)
return;
2899 if (strcmp(errmsg,
"chdir") == 0) {
2900 rb_sys_fail_str(eargp->chdir_dir);
2902 rb_sys_fail(errmsg);
2907rb_execarg_fail(
VALUE execarg_obj,
int err,
const char *errmsg)
2909 if (!errmsg || !*errmsg)
return;
2910 rb_exec_fail(rb_execarg_get(execarg_obj), err, errmsg);
2918 VALUE execarg_obj, fail_str;
2920#define CHILD_ERRMSG_BUFLEN 80
2921 char errmsg[CHILD_ERRMSG_BUFLEN] = {
'\0' };
2924 execarg_obj = rb_execarg_new(argc, argv, TRUE, FALSE);
2925 eargp = rb_execarg_get(execarg_obj);
2928 rb_protect(rb_execarg_parent_start1, execarg_obj, &state);
2930 execarg_parent_end(execarg_obj);
2935 fail_str = eargp->use_shell ? eargp->invoke.sh.shell_script : eargp->invoke.cmd.command_name;
2937 err = exec_async_signal_safe(eargp, errmsg,
sizeof(errmsg));
2940 rb_exec_fail(eargp, err, errmsg);
3044#define ERRMSG(str) \
3045 ((errmsg && 0 < errmsg_buflen) ? \
3046 (void)strlcpy(errmsg, (str), errmsg_buflen) : (void)0)
3048#define ERRMSG_FMT(...) \
3049 ((errmsg && 0 < errmsg_buflen) ? \
3050 (void)snprintf(errmsg, errmsg_buflen, __VA_ARGS__) : (void)0)
3052static int fd_get_cloexec(
int fd,
char *errmsg,
size_t errmsg_buflen);
3053static int fd_set_cloexec(
int fd,
char *errmsg,
size_t errmsg_buflen);
3054static int fd_clear_cloexec(
int fd,
char *errmsg,
size_t errmsg_buflen);
3057save_redirect_fd(
int fd,
struct rb_execarg *sargp,
char *errmsg,
size_t errmsg_buflen)
3060 VALUE newary, redirection;
3061 int save_fd = redirect_cloexec_dup(fd), cloexec;
3062 if (save_fd == -1) {
3069 newary = sargp->fd_dup2;
3072 sargp->fd_dup2 = newary;
3074 cloexec = fd_get_cloexec(fd, errmsg, errmsg_buflen);
3079 newary = sargp->fd_close;
3082 sargp->fd_close = newary;
3091intcmp(
const void *a,
const void *b)
3093 return *(
int*)a - *(
int*)b;
3097intrcmp(
const void *a,
const void *b)
3099 return *(
int*)b - *(
int*)a;
3111run_exec_dup2_tmpbuf_size(
long n)
3118fd_get_cloexec(
int fd,
char *errmsg,
size_t errmsg_buflen)
3122 ret = fcntl(fd, F_GETFD);
3124 ERRMSG(
"fcntl(F_GETFD)");
3127 if (ret & FD_CLOEXEC)
return 1;
3134fd_set_cloexec(
int fd,
char *errmsg,
size_t errmsg_buflen)
3138 ret = fcntl(fd, F_GETFD);
3140 ERRMSG(
"fcntl(F_GETFD)");
3143 if (!(ret & FD_CLOEXEC)) {
3145 ret = fcntl(fd, F_SETFD, ret);
3147 ERRMSG(
"fcntl(F_SETFD)");
3157fd_clear_cloexec(
int fd,
char *errmsg,
size_t errmsg_buflen)
3161 ret = fcntl(fd, F_GETFD);
3163 ERRMSG(
"fcntl(F_GETFD)");
3166 if (ret & FD_CLOEXEC) {
3168 ret = fcntl(fd, F_SETFD, ret);
3170 ERRMSG(
"fcntl(F_SETFD)");
3180run_exec_dup2(
VALUE ary,
VALUE tmpbuf,
struct rb_execarg *sargp,
char *errmsg,
size_t errmsg_buflen)
3191 for (i = 0; i < n; i++) {
3196 pairs[i].older_index = -1;
3206 for (i = 0; i < n; i++) {
3207 int newfd = pairs[i].newfd;
3211 pairs[i].num_newer = 0;
3213 while (pairs < found && (found-1)->oldfd == newfd)
3215 while (found < pairs+n && found->oldfd == newfd) {
3216 pairs[i].num_newer++;
3217 found->older_index = i;
3224 for (i = 0; i < n; i++) {
3226 while (j != -1 && pairs[j].oldfd != -1 && pairs[j].num_newer == 0) {
3227 if (save_redirect_fd(pairs[j].newfd, sargp, errmsg, errmsg_buflen) < 0)
3229 ret = redirect_dup2(pairs[j].oldfd, pairs[j].newfd);
3234 if (pairs[j].cloexec &&
3235 fd_set_cloexec(pairs[j].newfd, errmsg, errmsg_buflen)) {
3239 pairs[j].oldfd = -1;
3240 j = pairs[j].older_index;
3242 pairs[j].num_newer--;
3247 for (i = 0; i < n; i++) {
3249 if (pairs[i].oldfd == -1)
3251 if (pairs[i].oldfd == pairs[i].newfd) {
3252 if (fd_clear_cloexec(pairs[i].oldfd, errmsg, errmsg_buflen) == -1)
3254 pairs[i].oldfd = -1;
3257 if (extra_fd == -1) {
3258 extra_fd = redirect_dup(pairs[i].oldfd);
3259 if (extra_fd == -1) {
3265 if (fd_get_cloexec(pairs[i].oldfd, errmsg, errmsg_buflen)) {
3266 if (fd_set_cloexec(extra_fd, errmsg, errmsg_buflen)) {
3274 ret = redirect_dup2(pairs[i].oldfd, extra_fd);
3281 pairs[i].oldfd = extra_fd;
3282 j = pairs[i].older_index;
3283 pairs[i].older_index = -1;
3285 ret = redirect_dup2(pairs[j].oldfd, pairs[j].newfd);
3291 pairs[j].oldfd = -1;
3292 j = pairs[j].older_index;
3295 if (extra_fd != -1) {
3296 ret = redirect_close(extra_fd);
3311run_exec_close(
VALUE ary,
char *errmsg,
size_t errmsg_buflen)
3319 ret = redirect_close(fd);
3330run_exec_dup2_child(
VALUE ary,
struct rb_execarg *sargp,
char *errmsg,
size_t errmsg_buflen)
3340 if (save_redirect_fd(newfd, sargp, errmsg, errmsg_buflen) < 0)
3342 ret = redirect_dup2(oldfd, newfd);
3355run_exec_pgroup(
const struct rb_execarg *eargp,
struct rb_execarg *sargp,
char *errmsg,
size_t errmsg_buflen)
3367 pgroup = eargp->pgroup_pgid;
3373 sargp->pgroup_given = 1;
3374 sargp->pgroup_pgid = getpgrp();
3380 ret = setpgid(getpid(), pgroup);
3381 if (ret == -1) ERRMSG(
"setpgid");
3386#if defined(HAVE_SETRLIMIT) && defined(RLIM2NUM)
3389run_exec_rlimit(
VALUE ary,
struct rb_execarg *sargp,
char *errmsg,
size_t errmsg_buflen)
3398 if (getrlimit(rtype, &rlim) == -1) {
3399 ERRMSG(
"getrlimit");
3403 RLIM2NUM(rlim.rlim_cur),
3404 RLIM2NUM(rlim.rlim_max)));
3405 if (sargp->rlimit_limits ==
Qfalse)
3406 newary = sargp->rlimit_limits = hide_obj(
rb_ary_new());
3408 newary = sargp->rlimit_limits;
3413 if (setrlimit(rtype, &rlim) == -1) {
3414 ERRMSG(
"setrlimit");
3422#if !defined(HAVE_WORKING_FORK)
3435 if (sargp->env_modification ==
Qfalse) {
3436 VALUE env = rb_envtbl();
3441 sargp->env_modification = ary;
3443 sargp->unsetenv_others_given = 1;
3444 sargp->unsetenv_others_do = 1;
3451#define chdir(p) rb_w32_uchdir(p)
3456rb_execarg_run_options(
const struct rb_execarg *eargp,
struct rb_execarg *sargp,
char *errmsg,
size_t errmsg_buflen)
3463 sargp->redirect_fds =
Qnil;
3467 if (eargp->pgroup_given) {
3468 if (run_exec_pgroup(eargp, sargp, errmsg, errmsg_buflen) == -1)
3473#if defined(HAVE_SETRLIMIT) && defined(RLIM2NUM)
3474 obj = eargp->rlimit_limits;
3476 if (run_exec_rlimit(obj, sargp, errmsg, errmsg_buflen) == -1)
3481#if !defined(HAVE_WORKING_FORK)
3482 if (eargp->unsetenv_others_given && eargp->unsetenv_others_do) {
3487 obj = eargp->env_modification;
3503 if (eargp->umask_given) {
3504 mode_t mask = eargp->umask_mask;
3505 mode_t oldmask = umask(mask);
3507 sargp->umask_given = 1;
3508 sargp->umask_mask = oldmask;
3512 obj = eargp->fd_dup2;
3514 if (run_exec_dup2(obj, eargp->dup2_tmpbuf, sargp, errmsg, errmsg_buflen) == -1)
3518 obj = eargp->fd_close;
3521 rb_warn(
"cannot close fd before spawn");
3523 if (run_exec_close(obj, errmsg, errmsg_buflen) == -1)
3528#ifdef HAVE_WORKING_FORK
3529 if (eargp->close_others_do) {
3534 obj = eargp->fd_dup2_child;
3536 if (run_exec_dup2_child(obj, sargp, errmsg, errmsg_buflen) == -1)
3540 if (eargp->chdir_given) {
3542 sargp->chdir_given = 1;
3543 sargp->chdir_dir = hide_obj(rb_dir_getwd_ospath());
3545 if (chdir(RSTRING_PTR(eargp->chdir_dir)) == -1) {
3552 if (eargp->gid_given) {
3553 if (setgid(eargp->gid) < 0) {
3560 if (eargp->uid_given) {
3561 if (setuid(eargp->uid) < 0) {
3569 VALUE ary = sargp->fd_dup2;
3571 rb_execarg_allocate_dup2_tmpbuf(sargp,
RARRAY_LEN(ary));
3575 int preserve =
errno;
3576 stdfd_clear_nonblock();
3585rb_exec_async_signal_safe(
const struct rb_execarg *eargp,
char *errmsg,
size_t errmsg_buflen)
3587 errno = exec_async_signal_safe(eargp, errmsg, errmsg_buflen);
3592exec_async_signal_safe(
const struct rb_execarg *eargp,
char *errmsg,
size_t errmsg_buflen)
3594#if !defined(HAVE_WORKING_FORK)
3595 struct rb_execarg sarg, *
const sargp = &sarg;
3601 if (rb_execarg_run_options(eargp, sargp, errmsg, errmsg_buflen) < 0) {
3605 if (eargp->use_shell) {
3606 err = proc_exec_sh(RSTRING_PTR(eargp->invoke.sh.shell_script), eargp->envp_str);
3609 char *abspath = NULL;
3610 if (!
NIL_P(eargp->invoke.cmd.command_abspath))
3611 abspath = RSTRING_PTR(eargp->invoke.cmd.command_abspath);
3612 err = proc_exec_cmd(abspath, eargp->invoke.cmd.argv_str, eargp->envp_str);
3614#if !defined(HAVE_WORKING_FORK)
3615 rb_execarg_run_options(sargp, NULL, errmsg, errmsg_buflen);
3621#ifdef HAVE_WORKING_FORK
3624rb_exec_atfork(
void* arg,
char *errmsg,
size_t errmsg_buflen)
3626 return rb_exec_async_signal_safe(arg, errmsg, errmsg_buflen);
3630proc_syswait(
VALUE pid)
3637move_fds_to_avoid_crash(
int *fdp,
int n,
VALUE fds)
3641 for (i = 0; i < n; i++) {
3660pipe_nocrash(
int filedes[2],
VALUE fds)
3668 if (move_fds_to_avoid_crash(filedes, 2, fds) == -1) {
3683rb_thread_sleep_that_takes_VALUE_as_sole_argument(
VALUE n)
3690handle_fork_error(
int err,
struct rb_process_status *status,
int *ep,
volatile int *try_gc_p)
3696 if ((*try_gc_p)-- > 0 && !rb_during_gc()) {
3702#if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN
3705 if (!status && !ep) {
3710 rb_protect(rb_thread_sleep_that_takes_VALUE_as_sole_argument,
INT2FIX(1), &state);
3711 if (status) status->status = state;
3712 if (!state)
return 0;
3721 if (state && !status) rb_jump_tag(state);
3725#define prefork() ( \
3726 rb_io_flush(rb_stdout), \
3727 rb_io_flush(rb_stderr) \
3757write_retry(
int fd,
const void *buf,
size_t len)
3762 w = write(fd, buf,
len);
3763 }
while (w < 0 &&
errno == EINTR);
3769read_retry(
int fd,
void *buf,
size_t len)
3773 if (set_blocking(fd) != 0) {
3775 rb_async_bug_errno(
"set_blocking failed reading child error",
errno);
3780 r = read(fd, buf,
len);
3781 }
while (r < 0 &&
errno == EINTR);
3787send_child_error(
int fd,
char *errmsg,
size_t errmsg_buflen)
3792 if (write_retry(fd, &err,
sizeof(err)) < 0) err =
errno;
3793 if (errmsg && 0 < errmsg_buflen) {
3794 errmsg[errmsg_buflen-1] =
'\0';
3795 errmsg_buflen = strlen(errmsg);
3796 if (errmsg_buflen > 0 && write_retry(fd, errmsg, errmsg_buflen) < 0)
3802recv_child_error(
int fd,
int *errp,
char *errmsg,
size_t errmsg_buflen)
3806 if ((size = read_retry(fd, &err,
sizeof(err))) < 0) {
3810 if (size ==
sizeof(err) &&
3811 errmsg && 0 < errmsg_buflen) {
3812 ssize_t ret = read_retry(fd, errmsg, errmsg_buflen-1);
3821#ifdef HAVE_WORKING_VFORK
3822#if !defined(HAVE_GETRESUID) && defined(HAVE_GETUIDX)
3825getresuid(rb_uid_t *ruid, rb_uid_t *euid, rb_uid_t *suid)
3831 ret = getuidx(ID_SAVED);
3832 if (ret == (rb_uid_t)-1)
3837#define HAVE_GETRESUID
3840#if !defined(HAVE_GETRESGID) && defined(HAVE_GETGIDX)
3843getresgid(rb_gid_t *rgid, rb_gid_t *egid, rb_gid_t *sgid)
3849 ret = getgidx(ID_SAVED);
3850 if (ret == (rb_gid_t)-1)
3855#define HAVE_GETRESGID
3873 rb_uid_t ruid, euid;
3874 rb_gid_t rgid, egid;
3876#if defined HAVE_ISSETUGID
3881#ifdef HAVE_GETRESUID
3885 ret = getresuid(&ruid, &euid, &suid);
3887 rb_sys_fail(
"getresuid(2)");
3896 if (euid == 0 || euid != ruid)
3899#ifdef HAVE_GETRESGID
3903 ret = getresgid(&rgid, &egid, &sgid);
3905 rb_sys_fail(
"getresgid(2)");
3921struct child_handler_disabler_state
3927disable_child_handler_before_fork(
struct child_handler_disabler_state *old)
3929#ifdef HAVE_PTHREAD_SIGMASK
3933 ret = sigfillset(&all);
3935 rb_sys_fail(
"sigfillset");
3937 ret = pthread_sigmask(SIG_SETMASK, &all, &old->sigmask);
3942# pragma GCC warning "pthread_sigmask on fork is not available. potentially dangerous"
3947disable_child_handler_fork_parent(
struct child_handler_disabler_state *old)
3949#ifdef HAVE_PTHREAD_SIGMASK
3952 ret = pthread_sigmask(SIG_SETMASK, &old->sigmask, NULL);
3957# pragma GCC warning "pthread_sigmask on fork is not available. potentially dangerous"
3963disable_child_handler_fork_child(
struct child_handler_disabler_state *old,
char *errmsg,
size_t errmsg_buflen)
3968 for (sig = 1; sig < NSIG; sig++) {
3969 sig_t handler = signal(sig, SIG_DFL);
3971 if (handler == SIG_ERR &&
errno == EINVAL) {
3974 if (handler == SIG_ERR) {
3975 ERRMSG(
"signal to obtain old action");
3979 if (sig == SIGPIPE) {
3984 if (handler == SIG_IGN) {
3985 signal(sig, SIG_IGN);
3990 sigemptyset(&old->sigmask);
3991 ret = sigprocmask(SIG_SETMASK, &old->sigmask, NULL);
3993 ERRMSG(
"sigprocmask");
4001 int (*chfunc)(
void*,
char *,
size_t),
void *charg,
4002 char *errmsg,
size_t errmsg_buflen,
4006 volatile int try_gc = 1;
4007 struct child_handler_disabler_state old;
4012 disable_child_handler_before_fork(&old);
4013#ifdef HAVE_WORKING_VFORK
4014 if (!has_privilege())
4024 ret = disable_child_handler_fork_child(&old, errmsg, errmsg_buflen);
4026 ret = chfunc(charg, errmsg, errmsg_buflen);
4027 if (!ret) _exit(EXIT_SUCCESS);
4029 send_child_error(ep[1], errmsg, errmsg_buflen);
4030#if EXIT_SUCCESS == 127
4031 _exit(EXIT_FAILURE);
4037 disable_child_handler_fork_parent(&old);
4041 if (handle_fork_error(err, status, ep, &try_gc))
4047fork_check_err(
struct rb_process_status *status,
int (*chfunc)(
void*,
char *,
size_t),
void *charg,
4048 VALUE fds,
char *errmsg,
size_t errmsg_buflen,
4056 struct waitpid_state *w = eargp && eargp->waitpid_state ? eargp->waitpid_state : 0;
4058 if (status) status->status = 0;
4060 if (pipe_nocrash(ep, fds))
return -1;
4062 pid = retry_fork_async_signal_safe(status, ep, chfunc, charg, errmsg, errmsg_buflen, w);
4064 if (status) status->pid = pid;
4067 if (status) status->error =
errno;
4074 error_occurred = recv_child_error(ep[0], &err, errmsg, errmsg_buflen);
4076 if (error_occurred) {
4079 status->error = err;
4081 VM_ASSERT((w == 0) &&
"only used by extensions");
4082 rb_protect(proc_syswait, (
VALUE)pid, &state);
4084 status->status = state;
4105rb_fork_async_signal_safe(
int *status,
4106 int (*chfunc)(
void*,
char *,
size_t),
void *charg,
4107 VALUE fds,
char *errmsg,
size_t errmsg_buflen)
4111 rb_pid_t result = fork_check_err(&process_status, chfunc, charg, fds, errmsg, errmsg_buflen, 0);
4114 *status = process_status.status;
4121rb_fork_ruby(
int *status)
4125 int try_gc = 1, err = 0;
4126 struct child_handler_disabler_state old;
4132 rb_thread_acquire_fork_lock();
4133 disable_child_handler_before_fork(&old);
4136 child.pid = pid = rb_fork();
4137 child.error = err =
errno;
4140 disable_child_handler_fork_parent(&old);
4142#
if defined(__FreeBSD__)
4146 rb_thread_release_fork_lock();
4149 rb_thread_reset_fork_lock();
4151 after_fork_ruby(pid);
4154 }
while (pid < 0 && handle_fork_error(err, &child, NULL, &try_gc) == 0);
4156 if (status) *status = child.status;
4164 rb_pid_t pid = rb_fork_ruby(NULL);
4167 rb_sys_fail(
"fork(2)");
4174rb_call_proc__fork(
void)
4179 return proc_fork_pid();
4188#if defined(HAVE_WORKING_FORK) && !defined(CANNOT_FORK_WITH_PTHREAD)
4209rb_proc__fork(
VALUE _obj)
4211 rb_pid_t pid = proc_fork_pid();
4280 pid = rb_call_proc__fork();
4294#define rb_proc__fork rb_f_notimplement
4295#define rb_f_fork rb_f_notimplement
4299exit_status_code(
VALUE status)
4305 istatus = EXIT_SUCCESS;
4308 istatus = EXIT_FAILURE;
4312#if EXIT_SUCCESS != 0
4314 istatus = EXIT_SUCCESS;
4321NORETURN(
static VALUE rb_f_exit_bang(
int argc,
VALUE *argv,
VALUE obj));
4339rb_f_exit_bang(
int argc,
VALUE *argv,
VALUE obj)
4344 istatus = exit_status_code(argv[0]);
4347 istatus = EXIT_FAILURE;
4357 if (GET_EC()->tag) {
4373 istatus = exit_status_code(argv[0]);
4376 istatus = EXIT_SUCCESS;
4442 VALUE errinfo = rb_ec_get_errinfo(ec);
4443 if (!
NIL_P(errinfo)) {
4444 rb_ec_error_print(ec, errinfo);
4451 args[1] = args[0] = argv[0];
4453 rb_io_puts(1, args, rb_ractor_stderr());
4454 args[0] =
INT2NUM(EXIT_FAILURE);
4492#if !defined HAVE_WORKING_FORK && !defined HAVE_SPAWNV && !defined __EMSCRIPTEN__
4497 if (eargp && !eargp->use_shell) {
4498 VALUE str = eargp->invoke.cmd.argv_str;
4499 VALUE buf = eargp->invoke.cmd.argv_buf;
4500 char *p, **argv = ARGVSTR2ARGV(str);
4501 long i, argc = ARGVSTR2ARGC(str);
4502 const char *start = RSTRING_PTR(buf);
4504 p = RSTRING_PTR(cmd);
4505 for (i = 1; i < argc; ++i) {
4506 p[argv[i] - start - 1] =
' ';
4516rb_spawn_process(
struct rb_execarg *eargp,
char *errmsg,
size_t errmsg_buflen)
4519#if !defined HAVE_WORKING_FORK || USE_SPAWNV
4522# if !defined HAVE_SPAWNV
4527#if defined HAVE_WORKING_FORK && !USE_SPAWNV
4528 pid = fork_check_err(eargp->status, rb_exec_atfork, eargp, eargp->redirect_fds, errmsg, errmsg_buflen, eargp);
4530 prog = eargp->use_shell ? eargp->invoke.sh.shell_script : eargp->invoke.cmd.command_name;
4532 if (rb_execarg_run_options(eargp, &sarg, errmsg, errmsg_buflen) < 0) {
4536 if (prog && !eargp->use_shell) {
4537 char **argv = ARGVSTR2ARGV(eargp->invoke.cmd.argv_str);
4538 argv[0] = RSTRING_PTR(prog);
4540# if defined HAVE_SPAWNV
4541 if (eargp->use_shell) {
4542 pid = proc_spawn_sh(RSTRING_PTR(prog));
4545 char **argv = ARGVSTR2ARGV(eargp->invoke.cmd.argv_str);
4546 pid = proc_spawn_cmd(argv, prog, eargp);
4553 status = system(rb_execarg_commandline(eargp, &prog));
4558 if (eargp->waitpid_state) {
4559 eargp->waitpid_state->pid = pid;
4562 rb_execarg_run_options(&sarg, NULL, errmsg, errmsg_buflen);
4577do_spawn_process(
VALUE arg)
4581 rb_execarg_parent_start1(argp->execarg);
4583 return (
VALUE)rb_spawn_process(rb_execarg_get(argp->execarg),
4584 argp->errmsg.ptr, argp->errmsg.buflen);
4587NOINLINE(
static rb_pid_t
4588 rb_execarg_spawn(
VALUE execarg_obj,
char *errmsg,
size_t errmsg_buflen));
4591rb_execarg_spawn(
VALUE execarg_obj,
char *errmsg,
size_t errmsg_buflen)
4595 args.execarg = execarg_obj;
4596 args.errmsg.ptr = errmsg;
4597 args.errmsg.buflen = errmsg_buflen;
4600 execarg_parent_end, execarg_obj);
4605rb_spawn_internal(
int argc,
const VALUE *argv,
char *errmsg,
size_t errmsg_buflen)
4609 execarg_obj = rb_execarg_new(argc, argv, TRUE, FALSE);
4610 return rb_execarg_spawn(execarg_obj, errmsg, errmsg_buflen);
4616 return rb_spawn_internal(argc, argv, errmsg, errmsg_buflen);
4622 return rb_spawn_internal(argc, argv, NULL, 0);
4747 VALUE execarg_obj = rb_execarg_new(argc, argv, TRUE, TRUE);
4748 struct rb_execarg *eargp = rb_execarg_get(execarg_obj);
4751 eargp->status = &status;
4753 last_status_clear(th);
4757 rb_pid_t pid = rb_execarg_spawn(execarg_obj, 0, 0);
4764 th->last_status = status;
4766 if (data->status == EXIT_SUCCESS) {
4770 if (data->error != 0) {
4771 if (eargp->exception) {
4772 VALUE command = eargp->invoke.sh.shell_script;
4780 else if (eargp->exception) {
4781 VALUE command = eargp->invoke.sh.shell_script;
4795 if (eargp->exception) {
4796 VALUE command = eargp->invoke.sh.shell_script;
4912 char errmsg[CHILD_ERRMSG_BUFLEN] = {
'\0' };
4913 VALUE execarg_obj, fail_str;
4916 execarg_obj = rb_execarg_new(argc, argv, TRUE, FALSE);
4917 eargp = rb_execarg_get(execarg_obj);
4918 fail_str = eargp->use_shell ? eargp->invoke.sh.shell_script : eargp->invoke.cmd.command_name;
4920 pid = rb_execarg_spawn(execarg_obj, errmsg,
sizeof(errmsg));
4924 rb_exec_fail(eargp, err, errmsg);
4928#if defined(HAVE_WORKING_FORK) || defined(HAVE_SPAWNV)
4954 time_t beg = time(0);
4957 if (scheduler !=
Qnil) {
4961 if (argc == 0 || (argc == 1 &&
NIL_P(argv[0]))) {
4970 time_t end = time(0) - beg;
4972 return TIMET2NUM(end);
4976#if (defined(HAVE_GETPGRP) && defined(GETPGRP_VOID)) || defined(HAVE_GETPGID)
4993#if defined(HAVE_GETPGRP) && defined(GETPGRP_VOID)
4995 if (pgrp < 0) rb_sys_fail(0);
4999 if (pgrp < 0) rb_sys_fail(0);
5004#define proc_getpgrp rb_f_notimplement
5008#if defined(HAVE_SETPGID) || (defined(HAVE_SETPGRP) && defined(SETPGRP_VOID))
5026 if (setpgid(0,0) < 0) rb_sys_fail(0);
5027#elif defined(HAVE_SETPGRP) && defined(SETPGRP_VOID)
5028 if (setpgrp() < 0) rb_sys_fail(0);
5033#define proc_setpgrp rb_f_notimplement
5037#if defined(HAVE_GETPGID)
5055 if (i < 0) rb_sys_fail(0);
5059#define proc_getpgid rb_f_notimplement
5077 rb_pid_t ipid, ipgrp;
5082 if (setpgid(ipid, ipgrp) < 0) rb_sys_fail(0);
5086#define proc_setpgid rb_f_notimplement
5114 if (sid < 0) rb_sys_fail(0);
5118#define proc_getsid rb_f_notimplement
5122#if defined(HAVE_SETSID) || (defined(HAVE_SETPGRP) && defined(TIOCNOTTY))
5123#if !defined(HAVE_SETSID)
5124static rb_pid_t ruby_setsid(
void);
5125#define setsid() ruby_setsid()
5146 if (pid < 0) rb_sys_fail(0);
5150#if !defined(HAVE_SETSID)
5151#define HAVE_SETSID 1
5159#if defined(SETPGRP_VOID)
5165 ret = setpgrp(0, pid);
5167 if (ret == -1)
return -1;
5171 ioctl(fd, TIOCNOTTY, NULL);
5178#define proc_setsid rb_f_notimplement
5182#ifdef HAVE_GETPRIORITY
5210 int prio, iwhich, iwho;
5216 prio = getpriority(iwhich, iwho);
5217 if (
errno) rb_sys_fail(0);
5221#define proc_getpriority rb_f_notimplement
5225#ifdef HAVE_GETPRIORITY
5245 int iwhich, iwho, iprio;
5251 if (setpriority(iwhich, iwho, iprio) < 0)
5256#define proc_setpriority rb_f_notimplement
5259#if defined(HAVE_SETRLIMIT) && defined(NUM2RLIM)
5261rlimit_resource_name2int(
const char *name,
long len,
int casetype)
5265#define RESCHECK(r) \
5267 if (len == rb_strlen_lit(#r) && STRCASECMP(name, #r) == 0) { \
5268 resource = RLIMIT_##r; \
5302#ifdef RLIMIT_MEMLOCK
5305#ifdef RLIMIT_MSGQUEUE
5344#ifdef RLIMIT_SIGPENDING
5345 RESCHECK(SIGPENDING);
5354 for (p = name; *p; p++)
5360 for (p = name; *p; p++)
5366 rb_bug(
"unexpected casetype");
5373rlimit_type_by_hname(
const char *name,
long len)
5375 return rlimit_resource_name2int(name,
len, 0);
5379rlimit_type_by_lname(
const char *name,
long len)
5381 return rlimit_resource_name2int(name,
len, 1);
5385rlimit_type_by_sym(
VALUE key)
5388 const char *rname = RSTRING_PTR(name);
5389 long len = RSTRING_LEN(name);
5391 static const char prefix[] =
"rlimit_";
5392 enum {prefix_len =
sizeof(prefix)-1};
5394 if (
len > prefix_len && strncmp(prefix, rname, prefix_len) == 0) {
5395 rtype = rlimit_type_by_lname(rname + prefix_len,
len - prefix_len);
5403rlimit_resource_type(
VALUE rtype)
5410 switch (
TYPE(rtype)) {
5413 name = RSTRING_PTR(v);
5414 len = RSTRING_LEN(v);
5423 len = RSTRING_LEN(rtype);
5433 r = rlimit_type_by_hname(name,
len);
5437 rb_raise(rb_eArgError,
"invalid resource name: % "PRIsVALUE, rtype);
5443rlimit_resource_value(
VALUE rval)
5448 switch (
TYPE(rval)) {
5451 name = RSTRING_PTR(v);
5466 return NUM2RLIM(rval);
5470 if (strcmp(name,
"INFINITY") == 0)
return RLIM_INFINITY;
5472#ifdef RLIM_SAVED_MAX
5473 if (strcmp(name,
"SAVED_MAX") == 0)
return RLIM_SAVED_MAX;
5475#ifdef RLIM_SAVED_CUR
5476 if (strcmp(name,
"SAVED_CUR") == 0)
return RLIM_SAVED_CUR;
5478 rb_raise(rb_eArgError,
"invalid resource value: %"PRIsVALUE, rval);
5484#if defined(HAVE_GETRLIMIT) && defined(RLIM2NUM)
5512 if (getrlimit(rlimit_resource_type(resource), &rlim) < 0) {
5513 rb_sys_fail(
"getrlimit");
5515 return rb_assoc_new(RLIM2NUM(rlim.rlim_cur), RLIM2NUM(rlim.rlim_max));
5518#define proc_getrlimit rb_f_notimplement
5521#if defined(HAVE_SETRLIMIT) && defined(NUM2RLIM)
5575proc_setrlimit(
int argc,
VALUE *argv,
VALUE obj)
5577 VALUE resource, rlim_cur, rlim_max;
5583 if (argc < 3 ||
NIL_P(rlim_max = argv[2]))
5584 rlim_max = rlim_cur;
5586 rlim.rlim_cur = rlimit_resource_value(rlim_cur);
5587 rlim.rlim_max = rlimit_resource_value(rlim_max);
5589 if (setrlimit(rlimit_resource_type(resource), &rlim) < 0) {
5590 rb_sys_fail(
"setrlimit");
5595#define proc_setrlimit rb_f_notimplement
5598static int under_uid_switch = 0;
5600check_uid_switch(
void)
5602 if (under_uid_switch) {
5603 rb_raise(
rb_eRuntimeError,
"can't handle UID while evaluating block given to Process::UID.switch method");
5607static int under_gid_switch = 0;
5609check_gid_switch(
void)
5611 if (under_gid_switch) {
5612 rb_raise(
rb_eRuntimeError,
"can't handle GID while evaluating block given to Process::UID.switch method");
5617#if defined(HAVE_PWD_H)
5619login_not_found(
int err)
5621 return (err == ENOTTY || err == ENXIO || err == ENOENT);
5632# if !defined(USE_GETLOGIN_R) && !defined(USE_GETLOGIN)
5635 char MAYBE_UNUSED(*login) = NULL;
5637# ifdef USE_GETLOGIN_R
5639# if defined(__FreeBSD__)
5640 typedef int getlogin_r_size_t;
5642 typedef size_t getlogin_r_size_t;
5645 long loginsize = GETLOGIN_R_SIZE_INIT;
5648 loginsize = GETLOGIN_R_SIZE_DEFAULT;
5652 login = RSTRING_PTR(maybe_result);
5657 while ((gle = getlogin_r(login, (getlogin_r_size_t)loginsize)) != 0) {
5658 if (login_not_found(gle)) {
5659 rb_str_resize(maybe_result, 0);
5663 if (gle != ERANGE || loginsize >= GETLOGIN_R_SIZE_LIMIT) {
5664 rb_str_resize(maybe_result, 0);
5669 login = RSTRING_PTR(maybe_result);
5673 if (login == NULL) {
5674 rb_str_resize(maybe_result, 0);
5679 return maybe_result;
5681# elif defined(USE_GETLOGIN)
5687 if (login_not_found(err)) {
5701pwd_not_found(
int err)
5715# if defined(USE_GETPWNAM_R)
5716struct getpwnam_r_args {
5720 struct passwd *result;
5721 struct passwd pwstore;
5724# define GETPWNAM_R_ARGS(login_, buf_, bufsize_) (struct getpwnam_r_args) \
5725 {.login = login_, .buf = buf_, .bufsize = bufsize_, .result = NULL}
5728nogvl_getpwnam_r(
void *args)
5730 struct getpwnam_r_args *arg = args;
5731 return (
void *)(
VALUE)getpwnam_r(arg->login, &arg->pwstore, arg->buf, arg->bufsize, &arg->result);
5736rb_getpwdirnam_for_login(
VALUE login_name)
5738#if !defined(USE_GETPWNAM_R) && !defined(USE_GETPWNAM)
5742 if (
NIL_P(login_name)) {
5747 const char *login = RSTRING_PTR(login_name);
5750# ifdef USE_GETPWNAM_R
5753 long bufsizenm = GETPW_R_SIZE_INIT;
5756 bufsizenm = GETPW_R_SIZE_DEFAULT;
5760 bufnm = RSTRING_PTR(getpwnm_tmp);
5763 struct getpwnam_r_args args = GETPWNAM_R_ARGS(login, bufnm, (
size_t)bufsizenm);
5766 while ((enm = IO_WITHOUT_GVL_INT(nogvl_getpwnam_r, &args)) != 0) {
5767 if (pwd_not_found(enm)) {
5768 rb_str_resize(getpwnm_tmp, 0);
5772 if (enm != ERANGE || args.bufsize >= GETPW_R_SIZE_LIMIT) {
5773 rb_str_resize(getpwnm_tmp, 0);
5778 args.buf = RSTRING_PTR(getpwnm_tmp);
5782 if (args.result == NULL) {
5784 rb_str_resize(getpwnm_tmp, 0);
5790 rb_str_resize(getpwnm_tmp, 0);
5793# elif defined(USE_GETPWNAM)
5795 struct passwd *pwptr;
5797 if (!(pwptr = getpwnam(login))) {
5800 if (pwd_not_found(err)) {
5814# if defined(USE_GETPWUID_R)
5815struct getpwuid_r_args {
5819 struct passwd *result;
5820 struct passwd pwstore;
5823# define GETPWUID_R_ARGS(uid_, buf_, bufsize_) (struct getpwuid_r_args) \
5824 {.uid = uid_, .buf = buf_, .bufsize = bufsize_, .result = NULL}
5827nogvl_getpwuid_r(
void *args)
5829 struct getpwuid_r_args *arg = args;
5830 return (
void *)(
VALUE)getpwuid_r(arg->uid, &arg->pwstore, arg->buf, arg->bufsize, &arg->result);
5840# if !defined(USE_GETPWUID_R) && !defined(USE_GETPWUID)
5844 uid_t ruid = getuid();
5846# ifdef USE_GETPWUID_R
5849 long bufsizeid = GETPW_R_SIZE_INIT;
5852 bufsizeid = GETPW_R_SIZE_DEFAULT;
5856 bufid = RSTRING_PTR(getpwid_tmp);
5859 struct getpwuid_r_args args = GETPWUID_R_ARGS(ruid, bufid, (
size_t)bufsizeid);
5862 while ((eid = IO_WITHOUT_GVL_INT(nogvl_getpwuid_r, &args)) != 0) {
5863 if (pwd_not_found(eid)) {
5864 rb_str_resize(getpwid_tmp, 0);
5868 if (eid != ERANGE || args.bufsize >= GETPW_R_SIZE_LIMIT) {
5869 rb_str_resize(getpwid_tmp, 0);
5874 args.buf = RSTRING_PTR(getpwid_tmp);
5878 if (args.result == NULL) {
5880 rb_str_resize(getpwid_tmp, 0);
5886 rb_str_resize(getpwid_tmp, 0);
5889# elif defined(USE_GETPWUID)
5891 struct passwd *pwptr;
5893 if (!(pwptr = getpwuid(ruid))) {
5896 if (pwd_not_found(err)) {
5922#if defined(HAVE_PWD_H)
5925# ifdef USE_GETPWNAM_R
5938 struct passwd *pwptr;
5939#ifdef USE_GETPWNAM_R
5944 getpw_buf_len = GETPW_R_SIZE_INIT;
5945 if (getpw_buf_len < 0) getpw_buf_len = GETPW_R_SIZE_DEFAULT;
5948 getpw_buf = RSTRING_PTR(*getpw_tmp);
5952 struct getpwnam_r_args args = GETPWNAM_R_ARGS((
char *)usrname, getpw_buf, (
size_t)getpw_buf_len);
5954 while ((e = IO_WITHOUT_GVL_INT(nogvl_getpwnam_r, &args)) != 0) {
5955 if (e != ERANGE || args.bufsize >= GETPW_R_SIZE_LIMIT) {
5956 rb_str_resize(*getpw_tmp, 0);
5960 args.buf = RSTRING_PTR(*getpw_tmp);
5963 pwptr = args.result;
5965 pwptr = getpwnam(usrname);
5968#ifndef USE_GETPWNAM_R
5971 rb_raise(rb_eArgError,
"can't find user for %"PRIsVALUE,
id);
5973 uid = pwptr->pw_uid;
5974#ifndef USE_GETPWNAM_R
5981# ifdef p_uid_from_name
6001#if defined(HAVE_GRP_H)
6002# if defined(USE_GETGRNAM_R)
6003struct getgrnam_r_args {
6007 struct group *result;
6011# define GETGRNAM_R_ARGS(name_, buf_, bufsize_) (struct getgrnam_r_args) \
6012 {.name = name_, .buf = buf_, .bufsize = bufsize_, .result = NULL}
6015nogvl_getgrnam_r(
void *args)
6017 struct getgrnam_r_args *arg = args;
6018 return (
void *)(
VALUE)getgrnam_r(arg->name, &arg->grp, arg->buf, arg->bufsize, &arg->result);
6024# ifdef USE_GETGRNAM_R
6037 struct group *grptr;
6038#ifdef USE_GETGRNAM_R
6043 getgr_buf_len = GETGR_R_SIZE_INIT;
6044 if (getgr_buf_len < 0) getgr_buf_len = GETGR_R_SIZE_DEFAULT;
6047 getgr_buf = RSTRING_PTR(*getgr_tmp);
6051 struct getgrnam_r_args args = GETGRNAM_R_ARGS(grpname, getgr_buf, (
size_t)getgr_buf_len);
6053 while ((e = IO_WITHOUT_GVL_INT(nogvl_getgrnam_r, &args)) != 0) {
6054 if (e != ERANGE || args.bufsize >= GETGR_R_SIZE_LIMIT) {
6055 rb_str_resize(*getgr_tmp, 0);
6059 args.buf = RSTRING_PTR(*getgr_tmp);
6062 grptr = args.result;
6063#elif defined(HAVE_GETGRNAM)
6064 grptr = getgrnam(grpname);
6069#if !defined(USE_GETGRNAM_R) && defined(HAVE_ENDGRENT)
6072 rb_raise(rb_eArgError,
"can't find group for %"PRIsVALUE,
id);
6074 gid = grptr->gr_gid;
6075#if !defined(USE_GETGRNAM_R) && defined(HAVE_ENDGRENT)
6082# ifdef p_gid_from_name
6102#if defined HAVE_SETUID
6116 if (setuid(OBJ2UID(
id)) != 0) rb_sys_fail(0);
6120#define p_sys_setuid rb_f_notimplement
6124#if defined HAVE_SETRUID
6138 if (setruid(OBJ2UID(
id)) != 0) rb_sys_fail(0);
6142#define p_sys_setruid rb_f_notimplement
6146#if defined HAVE_SETEUID
6160 if (seteuid(OBJ2UID(
id)) != 0) rb_sys_fail(0);
6164#define p_sys_seteuid rb_f_notimplement
6168#if defined HAVE_SETREUID
6183 rb_uid_t ruid, euid;
6186 ruid = OBJ2UID1(rid);
6187 euid = OBJ2UID1(eid);
6189 if (setreuid(ruid, euid) != 0) rb_sys_fail(0);
6193#define p_sys_setreuid rb_f_notimplement
6197#if defined HAVE_SETRESUID
6212 rb_uid_t ruid, euid, suid;
6215 ruid = OBJ2UID1(rid);
6216 euid = OBJ2UID1(eid);
6217 suid = OBJ2UID1(sid);
6219 if (setresuid(ruid, euid, suid) != 0) rb_sys_fail(0);
6223#define p_sys_setresuid rb_f_notimplement
6240proc_getuid(
VALUE obj)
6242 rb_uid_t uid = getuid();
6247#if defined(HAVE_SETRESUID) || defined(HAVE_SETREUID) || defined(HAVE_SETRUID) || defined(HAVE_SETUID)
6267#if defined(HAVE_SETRESUID)
6268 if (setresuid(uid, -1, -1) < 0) rb_sys_fail(0);
6269#elif defined HAVE_SETREUID
6270 if (setreuid(uid, -1) < 0) rb_sys_fail(0);
6271#elif defined HAVE_SETRUID
6272 if (setruid(uid) < 0) rb_sys_fail(0);
6273#elif defined HAVE_SETUID
6275 if (geteuid() == uid) {
6276 if (setuid(uid) < 0) rb_sys_fail(0);
6286#define proc_setuid rb_f_notimplement
6300static rb_uid_t SAVED_USER_ID = -1;
6302#ifdef BROKEN_SETREUID
6304setreuid(rb_uid_t ruid, rb_uid_t euid)
6306 if (ruid != (rb_uid_t)-1 && ruid != getuid()) {
6307 if (euid == (rb_uid_t)-1) euid = geteuid();
6308 if (setuid(ruid) < 0)
return -1;
6310 if (euid != (rb_uid_t)-1 && euid != geteuid()) {
6311 if (seteuid(euid) < 0)
return -1;
6339 if (geteuid() == 0) {
6340#if defined(HAVE_SETRESUID)
6341 if (setresuid(uid, uid, uid) < 0) rb_sys_fail(0);
6342 SAVED_USER_ID = uid;
6343#elif defined(HAVE_SETUID)
6344 if (setuid(uid) < 0) rb_sys_fail(0);
6345 SAVED_USER_ID = uid;
6346#elif defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID)
6347 if (getuid() == uid) {
6348 if (SAVED_USER_ID == uid) {
6349 if (setreuid(-1, uid) < 0) rb_sys_fail(0);
6353 if (setreuid(-1, SAVED_USER_ID) < 0) rb_sys_fail(0);
6354 if (setreuid(SAVED_USER_ID, 0) < 0) rb_sys_fail(0);
6356 if (setreuid(uid, uid) < 0) rb_sys_fail(0);
6357 SAVED_USER_ID = uid;
6360 if (setreuid(0, -1) < 0) rb_sys_fail(0);
6362 if (setreuid(uid, uid) < 0) rb_sys_fail(0);
6363 SAVED_USER_ID = uid;
6368 if (setreuid(uid, uid) < 0) rb_sys_fail(0);
6369 SAVED_USER_ID = uid;
6371#elif defined(HAVE_SETRUID) && defined(HAVE_SETEUID)
6372 if (getuid() == uid) {
6373 if (SAVED_USER_ID == uid) {
6374 if (seteuid(uid) < 0) rb_sys_fail(0);
6378 if (setruid(SAVED_USER_ID) < 0) rb_sys_fail(0);
6380 if (setruid(0) < 0) rb_sys_fail(0);
6383 if (setruid(0) < 0) rb_sys_fail(0);
6385 if (seteuid(uid) < 0) rb_sys_fail(0);
6386 if (setruid(uid) < 0) rb_sys_fail(0);
6387 SAVED_USER_ID = uid;
6392 if (seteuid(uid) < 0) rb_sys_fail(0);
6393 if (setruid(uid) < 0) rb_sys_fail(0);
6394 SAVED_USER_ID = uid;
6402#if defined(HAVE_SETRESUID)
6403 if (setresuid((getuid() == uid)? (rb_uid_t)-1: uid,
6404 (geteuid() == uid)? (rb_uid_t)-1: uid,
6405 (SAVED_USER_ID == uid)? (rb_uid_t)-1: uid) < 0) rb_sys_fail(0);
6406 SAVED_USER_ID = uid;
6407#elif defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID)
6408 if (SAVED_USER_ID == uid) {
6409 if (setreuid((getuid() == uid)? (rb_uid_t)-1: uid,
6410 (geteuid() == uid)? (rb_uid_t)-1: uid) < 0)
6413 else if (getuid() != uid) {
6414 if (setreuid(uid, (geteuid() == uid)? (rb_uid_t)-1: uid) < 0)
6416 SAVED_USER_ID = uid;
6418 else if ( geteuid() != uid) {
6419 if (setreuid(geteuid(), uid) < 0) rb_sys_fail(0);
6420 SAVED_USER_ID = uid;
6421 if (setreuid(uid, -1) < 0) rb_sys_fail(0);
6424 if (setreuid(-1, SAVED_USER_ID) < 0) rb_sys_fail(0);
6425 if (setreuid(SAVED_USER_ID, uid) < 0) rb_sys_fail(0);
6426 SAVED_USER_ID = uid;
6427 if (setreuid(uid, -1) < 0) rb_sys_fail(0);
6429#elif defined(HAVE_SETRUID) && defined(HAVE_SETEUID)
6430 if (SAVED_USER_ID == uid) {
6431 if (geteuid() != uid && seteuid(uid) < 0) rb_sys_fail(0);
6432 if (getuid() != uid && setruid(uid) < 0) rb_sys_fail(0);
6434 else if ( geteuid() == uid) {
6435 if (getuid() != uid) {
6436 if (setruid(uid) < 0) rb_sys_fail(0);
6437 SAVED_USER_ID = uid;
6440 if (setruid(SAVED_USER_ID) < 0) rb_sys_fail(0);
6441 SAVED_USER_ID = uid;
6442 if (setruid(uid) < 0) rb_sys_fail(0);
6445 else if ( getuid() == uid) {
6446 if (seteuid(uid) < 0) rb_sys_fail(0);
6447 if (setruid(SAVED_USER_ID) < 0) rb_sys_fail(0);
6448 SAVED_USER_ID = uid;
6449 if (setruid(uid) < 0) rb_sys_fail(0);
6454#elif defined HAVE_44BSD_SETUID
6455 if (getuid() == uid) {
6457 if (setuid(uid) < 0) rb_sys_fail(0);
6458 SAVED_USER_ID = uid;
6463#elif defined HAVE_SETEUID
6464 if (getuid() == uid && SAVED_USER_ID == uid) {
6465 if (seteuid(uid) < 0) rb_sys_fail(0);
6470#elif defined HAVE_SETUID
6471 if (getuid() == uid && SAVED_USER_ID == uid) {
6472 if (setuid(uid) < 0) rb_sys_fail(0);
6486#if defined HAVE_SETGID
6500 if (setgid(OBJ2GID(
id)) != 0) rb_sys_fail(0);
6504#define p_sys_setgid rb_f_notimplement
6508#if defined HAVE_SETRGID
6522 if (setrgid(OBJ2GID(
id)) != 0) rb_sys_fail(0);
6526#define p_sys_setrgid rb_f_notimplement
6530#if defined HAVE_SETEGID
6544 if (setegid(OBJ2GID(
id)) != 0) rb_sys_fail(0);
6548#define p_sys_setegid rb_f_notimplement
6552#if defined HAVE_SETREGID
6567 rb_gid_t rgid, egid;
6569 rgid = OBJ2GID(rid);
6570 egid = OBJ2GID(eid);
6571 if (setregid(rgid, egid) != 0) rb_sys_fail(0);
6575#define p_sys_setregid rb_f_notimplement
6578#if defined HAVE_SETRESGID
6593 rb_gid_t rgid, egid, sgid;
6595 rgid = OBJ2GID(rid);
6596 egid = OBJ2GID(eid);
6597 sgid = OBJ2GID(sid);
6598 if (setresgid(rgid, egid, sgid) != 0) rb_sys_fail(0);
6602#define p_sys_setresgid rb_f_notimplement
6606#if defined HAVE_ISSETUGID
6620p_sys_issetugid(
VALUE obj)
6622 return RBOOL(issetugid());
6625#define p_sys_issetugid rb_f_notimplement
6642proc_getgid(
VALUE obj)
6644 rb_gid_t gid = getgid();
6649#if defined(HAVE_SETRESGID) || defined(HAVE_SETREGID) || defined(HAVE_SETRGID) || defined(HAVE_SETGID)
6668#if defined(HAVE_SETRESGID)
6669 if (setresgid(gid, -1, -1) < 0) rb_sys_fail(0);
6670#elif defined HAVE_SETREGID
6671 if (setregid(gid, -1) < 0) rb_sys_fail(0);
6672#elif defined HAVE_SETRGID
6673 if (setrgid(gid) < 0) rb_sys_fail(0);
6674#elif defined HAVE_SETGID
6676 if (getegid() == gid) {
6677 if (setgid(gid) < 0) rb_sys_fail(0);
6687#define proc_setgid rb_f_notimplement
6691#if defined(_SC_NGROUPS_MAX) || defined(NGROUPS_MAX)
6711static int _maxgroups = -1;
6713get_sc_ngroups_max(
void)
6715#ifdef _SC_NGROUPS_MAX
6716 return (
int)sysconf(_SC_NGROUPS_MAX);
6717#elif defined(NGROUPS_MAX)
6718 return (
int)NGROUPS_MAX;
6726 if (_maxgroups < 0) {
6727 _maxgroups = get_sc_ngroups_max();
6729 _maxgroups = RB_MAX_GROUPS;
6738#ifdef HAVE_GETGROUPS
6762proc_getgroups(
VALUE obj)
6768 ngroups = getgroups(0, NULL);
6772 groups =
ALLOCV_N(rb_gid_t, tmp, ngroups);
6774 ngroups = getgroups(ngroups, groups);
6779 for (i = 0; i < ngroups; i++)
6787#define proc_getgroups rb_f_notimplement
6791#ifdef HAVE_SETGROUPS
6816 if (ngroups > maxgroups())
6817 rb_raise(rb_eArgError,
"too many groups, %d max", maxgroups());
6819 groups =
ALLOCV_N(rb_gid_t, tmp, ngroups);
6821 for (i = 0; i < ngroups; i++) {
6824 groups[i] = OBJ2GID1(g);
6828 if (setgroups(ngroups, groups) == -1)
6833 return proc_getgroups(obj);
6836#define proc_setgroups rb_f_notimplement
6840#ifdef HAVE_INITGROUPS
6866 return proc_getgroups(obj);
6869#define proc_initgroups rb_f_notimplement
6872#if defined(_SC_NGROUPS_MAX) || defined(NGROUPS_MAX)
6885proc_getmaxgroups(
VALUE obj)
6890#define proc_getmaxgroups rb_f_notimplement
6893#ifdef HAVE_SETGROUPS
6906 int ngroups_max = get_sc_ngroups_max();
6909 rb_raise(rb_eArgError,
"maxgroups %d should be positive", ngroups);
6911 if (ngroups > RB_MAX_GROUPS)
6912 ngroups = RB_MAX_GROUPS;
6914 if (ngroups_max > 0 && ngroups > ngroups_max)
6915 ngroups = ngroups_max;
6917 _maxgroups = ngroups;
6922#define proc_setmaxgroups rb_f_notimplement
6925#if defined(HAVE_DAEMON) || (defined(HAVE_WORKING_FORK) && defined(HAVE_SETSID))
6926static int rb_daemon(
int nochdir,
int noclose);
6951 int n, nochdir = FALSE, noclose = FALSE;
6954 case 2: noclose = TO_BOOL(argv[1],
"noclose");
6955 case 1: nochdir = TO_BOOL(argv[0],
"nochdir");
6959 n = rb_daemon(nochdir, noclose);
6960 if (n < 0) rb_sys_fail(
"daemon");
6964extern const char ruby_null_device[];
6967rb_daemon(
int nochdir,
int noclose)
6972 err = daemon(nochdir, noclose);
6977 switch (rb_fork_ruby(NULL)) {
6980 default: _exit(EXIT_SUCCESS);
6984 if (setsid() < 0) (void)0;
6989 if (!noclose && (n =
rb_cloexec_open(ruby_null_device, O_RDWR, 0)) != -1) {
7001#define proc_daemon rb_f_notimplement
7014static rb_gid_t SAVED_GROUP_ID = -1;
7016#ifdef BROKEN_SETREGID
7018setregid(rb_gid_t rgid, rb_gid_t egid)
7020 if (rgid != (rb_gid_t)-1 && rgid != getgid()) {
7021 if (egid == (rb_gid_t)-1) egid = getegid();
7022 if (setgid(rgid) < 0)
return -1;
7024 if (egid != (rb_gid_t)-1 && egid != getegid()) {
7025 if (setegid(egid) < 0)
return -1;
7053 if (geteuid() == 0) {
7054#if defined(HAVE_SETRESGID)
7055 if (setresgid(gid, gid, gid) < 0) rb_sys_fail(0);
7056 SAVED_GROUP_ID = gid;
7057#elif defined HAVE_SETGID
7058 if (setgid(gid) < 0) rb_sys_fail(0);
7059 SAVED_GROUP_ID = gid;
7060#elif defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID)
7061 if (getgid() == gid) {
7062 if (SAVED_GROUP_ID == gid) {
7063 if (setregid(-1, gid) < 0) rb_sys_fail(0);
7067 if (setregid(-1, SAVED_GROUP_ID) < 0) rb_sys_fail(0);
7068 if (setregid(SAVED_GROUP_ID, 0) < 0) rb_sys_fail(0);
7070 if (setregid(gid, gid) < 0) rb_sys_fail(0);
7071 SAVED_GROUP_ID = gid;
7074 if (setregid(0, 0) < 0) rb_sys_fail(0);
7076 if (setregid(gid, gid) < 0) rb_sys_fail(0);
7077 SAVED_GROUP_ID = gid;
7082 if (setregid(gid, gid) < 0) rb_sys_fail(0);
7083 SAVED_GROUP_ID = gid;
7085#elif defined(HAVE_SETRGID) && defined (HAVE_SETEGID)
7086 if (getgid() == gid) {
7087 if (SAVED_GROUP_ID == gid) {
7088 if (setegid(gid) < 0) rb_sys_fail(0);
7092 if (setegid(gid) < 0) rb_sys_fail(0);
7093 if (setrgid(SAVED_GROUP_ID) < 0) rb_sys_fail(0);
7095 if (setrgid(0) < 0) rb_sys_fail(0);
7098 if (setrgid(0) < 0) rb_sys_fail(0);
7100 if (setegid(gid) < 0) rb_sys_fail(0);
7101 if (setrgid(gid) < 0) rb_sys_fail(0);
7102 SAVED_GROUP_ID = gid;
7107 if (setegid(gid) < 0) rb_sys_fail(0);
7108 if (setrgid(gid) < 0) rb_sys_fail(0);
7109 SAVED_GROUP_ID = gid;
7116#if defined(HAVE_SETRESGID)
7117 if (setresgid((getgid() == gid)? (rb_gid_t)-1: gid,
7118 (getegid() == gid)? (rb_gid_t)-1: gid,
7119 (SAVED_GROUP_ID == gid)? (rb_gid_t)-1: gid) < 0) rb_sys_fail(0);
7120 SAVED_GROUP_ID = gid;
7121#elif defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID)
7122 if (SAVED_GROUP_ID == gid) {
7123 if (setregid((getgid() == gid)? (rb_uid_t)-1: gid,
7124 (getegid() == gid)? (rb_uid_t)-1: gid) < 0)
7127 else if (getgid() != gid) {
7128 if (setregid(gid, (getegid() == gid)? (rb_uid_t)-1: gid) < 0)
7130 SAVED_GROUP_ID = gid;
7132 else if ( getegid() != gid) {
7133 if (setregid(getegid(), gid) < 0) rb_sys_fail(0);
7134 SAVED_GROUP_ID = gid;
7135 if (setregid(gid, -1) < 0) rb_sys_fail(0);
7138 if (setregid(-1, SAVED_GROUP_ID) < 0) rb_sys_fail(0);
7139 if (setregid(SAVED_GROUP_ID, gid) < 0) rb_sys_fail(0);
7140 SAVED_GROUP_ID = gid;
7141 if (setregid(gid, -1) < 0) rb_sys_fail(0);
7143#elif defined(HAVE_SETRGID) && defined(HAVE_SETEGID)
7144 if (SAVED_GROUP_ID == gid) {
7145 if (getegid() != gid && setegid(gid) < 0) rb_sys_fail(0);
7146 if (getgid() != gid && setrgid(gid) < 0) rb_sys_fail(0);
7148 else if ( getegid() == gid) {
7149 if (getgid() != gid) {
7150 if (setrgid(gid) < 0) rb_sys_fail(0);
7151 SAVED_GROUP_ID = gid;
7154 if (setrgid(SAVED_GROUP_ID) < 0) rb_sys_fail(0);
7155 SAVED_GROUP_ID = gid;
7156 if (setrgid(gid) < 0) rb_sys_fail(0);
7159 else if ( getgid() == gid) {
7160 if (setegid(gid) < 0) rb_sys_fail(0);
7161 if (setrgid(SAVED_GROUP_ID) < 0) rb_sys_fail(0);
7162 SAVED_GROUP_ID = gid;
7163 if (setrgid(gid) < 0) rb_sys_fail(0);
7168#elif defined HAVE_44BSD_SETGID
7169 if (getgid() == gid) {
7171 if (setgid(gid) < 0) rb_sys_fail(0);
7172 SAVED_GROUP_ID = gid;
7177#elif defined HAVE_SETEGID
7178 if (getgid() == gid && SAVED_GROUP_ID == gid) {
7179 if (setegid(gid) < 0) rb_sys_fail(0);
7184#elif defined HAVE_SETGID
7185 if (getgid() == gid && SAVED_GROUP_ID == gid) {
7186 if (setgid(gid) < 0) rb_sys_fail(0);
7213proc_geteuid(
VALUE obj)
7215 rb_uid_t euid = geteuid();
7219#if defined(HAVE_SETRESUID) || defined(HAVE_SETREUID) || defined(HAVE_SETEUID) || defined(HAVE_SETUID) || defined(_POSIX_SAVED_IDS)
7221proc_seteuid(rb_uid_t uid)
7223#if defined(HAVE_SETRESUID)
7224 if (setresuid(-1, uid, -1) < 0) rb_sys_fail(0);
7225#elif defined HAVE_SETREUID
7226 if (setreuid(-1, uid) < 0) rb_sys_fail(0);
7227#elif defined HAVE_SETEUID
7228 if (seteuid(uid) < 0) rb_sys_fail(0);
7229#elif defined HAVE_SETUID
7230 if (uid == getuid()) {
7231 if (setuid(uid) < 0) rb_sys_fail(0);
7242#if defined(HAVE_SETRESUID) || defined(HAVE_SETREUID) || defined(HAVE_SETEUID) || defined(HAVE_SETUID)
7256 proc_seteuid(OBJ2UID(euid));
7260#define proc_seteuid_m rb_f_notimplement
7264rb_seteuid_core(rb_uid_t euid)
7266#if defined(HAVE_SETRESUID) || (defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID))
7272#if defined(HAVE_SETRESUID) || (defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID))
7276#if defined(HAVE_SETRESUID)
7278 if (setresuid(-1,euid,euid) < 0) rb_sys_fail(0);
7279 SAVED_USER_ID = euid;
7282 if (setresuid(-1,euid,-1) < 0) rb_sys_fail(0);
7284#elif defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID)
7285 if (setreuid(-1, euid) < 0) rb_sys_fail(0);
7287 if (setreuid(euid,uid) < 0) rb_sys_fail(0);
7288 if (setreuid(uid,euid) < 0) rb_sys_fail(0);
7289 SAVED_USER_ID = euid;
7291#elif defined HAVE_SETEUID
7292 if (seteuid(euid) < 0) rb_sys_fail(0);
7293#elif defined HAVE_SETUID
7294 if (geteuid() == 0) rb_sys_fail(0);
7295 if (setuid(euid) < 0) rb_sys_fail(0);
7320 rb_seteuid_core(OBJ2UID(
id));
7339proc_getegid(
VALUE obj)
7341 rb_gid_t egid = getegid();
7346#if defined(HAVE_SETRESGID) || defined(HAVE_SETREGID) || defined(HAVE_SETEGID) || defined(HAVE_SETGID) || defined(_POSIX_SAVED_IDS)
7359#if defined(HAVE_SETRESGID) || defined(HAVE_SETREGID) || defined(HAVE_SETEGID) || defined(HAVE_SETGID)
7365#if defined(HAVE_SETRESGID) || defined(HAVE_SETREGID) || defined(HAVE_SETEGID) || defined(HAVE_SETGID)
7366 gid = OBJ2GID(egid);
7369#if defined(HAVE_SETRESGID)
7370 if (setresgid(-1, gid, -1) < 0) rb_sys_fail(0);
7371#elif defined HAVE_SETREGID
7372 if (setregid(-1, gid) < 0) rb_sys_fail(0);
7373#elif defined HAVE_SETEGID
7374 if (setegid(gid) < 0) rb_sys_fail(0);
7375#elif defined HAVE_SETGID
7376 if (gid == getgid()) {
7377 if (setgid(gid) < 0) rb_sys_fail(0);
7389#if defined(HAVE_SETRESGID) || defined(HAVE_SETREGID) || defined(HAVE_SETEGID) || defined(HAVE_SETGID)
7390#define proc_setegid_m proc_setegid
7392#define proc_setegid_m rb_f_notimplement
7396rb_setegid_core(rb_gid_t egid)
7398#if defined(HAVE_SETRESGID) || (defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID))
7404#if defined(HAVE_SETRESGID) || (defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID))
7408#if defined(HAVE_SETRESGID)
7410 if (setresgid(-1,egid,egid) < 0) rb_sys_fail(0);
7411 SAVED_GROUP_ID = egid;
7414 if (setresgid(-1,egid,-1) < 0) rb_sys_fail(0);
7416#elif defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID)
7417 if (setregid(-1, egid) < 0) rb_sys_fail(0);
7419 if (setregid(egid,gid) < 0) rb_sys_fail(0);
7420 if (setregid(gid,egid) < 0) rb_sys_fail(0);
7421 SAVED_GROUP_ID = egid;
7423#elif defined HAVE_SETEGID
7424 if (setegid(egid) < 0) rb_sys_fail(0);
7425#elif defined HAVE_SETGID
7426 if (geteuid() == 0 ) rb_sys_fail(0);
7427 if (setgid(egid) < 0) rb_sys_fail(0);
7452 rb_setegid_core(OBJ2GID(
id));
7467p_uid_exchangeable(
VALUE _)
7469#if defined(HAVE_SETRESUID)
7471#elif defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID)
7492p_uid_exchange(
VALUE obj)
7495#if defined(HAVE_SETRESUID) || (defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID))
7502#if defined(HAVE_SETRESUID) || (defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID))
7506#if defined(HAVE_SETRESUID)
7507 if (setresuid(euid, uid, uid) < 0) rb_sys_fail(0);
7508 SAVED_USER_ID = uid;
7509#elif defined(HAVE_SETREUID) && !defined(OBSOLETE_SETREUID)
7510 if (setreuid(euid,uid) < 0) rb_sys_fail(0);
7511 SAVED_USER_ID = uid;
7529p_gid_exchangeable(
VALUE _)
7531#if defined(HAVE_SETRESGID)
7533#elif defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID)
7554p_gid_exchange(
VALUE obj)
7557#if defined(HAVE_SETRESGID) || (defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID))
7564#if defined(HAVE_SETRESGID) || (defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID))
7568#if defined(HAVE_SETRESGID)
7569 if (setresgid(egid, gid, gid) < 0) rb_sys_fail(0);
7570 SAVED_GROUP_ID = gid;
7571#elif defined(HAVE_SETREGID) && !defined(OBSOLETE_SETREGID)
7572 if (setregid(egid,gid) < 0) rb_sys_fail(0);
7573 SAVED_GROUP_ID = gid;
7592p_uid_have_saved_id(
VALUE _)
7594#if defined(HAVE_SETRESUID) || defined(HAVE_SETEUID) || defined(_POSIX_SAVED_IDS)
7602#if defined(HAVE_SETRESUID) || defined(HAVE_SETEUID) || defined(_POSIX_SAVED_IDS)
7604p_uid_sw_ensure(
VALUE i)
7606 rb_uid_t
id = (rb_uid_t)i;
7607 under_uid_switch = 0;
7608 id = rb_seteuid_core(
id);
7627p_uid_switch(
VALUE obj)
7639 under_uid_switch = 1;
7646 else if (euid != SAVED_USER_ID) {
7647 proc_seteuid(SAVED_USER_ID);
7649 under_uid_switch = 1;
7664p_uid_sw_ensure(
VALUE obj)
7666 under_uid_switch = 0;
7667 return p_uid_exchange(obj);
7671p_uid_switch(
VALUE obj)
7683 p_uid_exchange(obj);
7685 under_uid_switch = 1;
7707p_gid_have_saved_id(
VALUE _)
7709#if defined(HAVE_SETRESGID) || defined(HAVE_SETEGID) || defined(_POSIX_SAVED_IDS)
7716#if defined(HAVE_SETRESGID) || defined(HAVE_SETEGID) || defined(_POSIX_SAVED_IDS)
7718p_gid_sw_ensure(
VALUE i)
7720 rb_gid_t
id = (rb_gid_t)i;
7721 under_gid_switch = 0;
7722 id = rb_setegid_core(
id);
7741p_gid_switch(
VALUE obj)
7753 under_gid_switch = 1;
7760 else if (egid != SAVED_GROUP_ID) {
7761 proc_setegid(obj,
GIDT2NUM(SAVED_GROUP_ID));
7763 under_gid_switch = 1;
7778p_gid_sw_ensure(
VALUE obj)
7780 under_gid_switch = 0;
7781 return p_gid_exchange(obj);
7785p_gid_switch(
VALUE obj)
7797 p_gid_exchange(obj);
7799 under_gid_switch = 1;
7809#if defined(HAVE_TIMES)
7813#ifdef HAVE__SC_CLK_TCK
7814 return sysconf(_SC_CLK_TCK);
7815#elif defined CLK_TCK
7838rb_proc_times(
VALUE obj)
7840 VALUE utime, stime, cutime, cstime, ret;
7841#if defined(RUSAGE_SELF) && defined(RUSAGE_CHILDREN)
7842 struct rusage usage_s, usage_c;
7844 if (getrusage(RUSAGE_SELF, &usage_s) != 0 || getrusage(RUSAGE_CHILDREN, &usage_c) != 0)
7845 rb_sys_fail(
"getrusage");
7846 utime =
DBL2NUM((
double)usage_s.ru_utime.tv_sec + (
double)usage_s.ru_utime.tv_usec/1e6);
7847 stime =
DBL2NUM((
double)usage_s.ru_stime.tv_sec + (
double)usage_s.ru_stime.tv_usec/1e6);
7848 cutime =
DBL2NUM((
double)usage_c.ru_utime.tv_sec + (
double)usage_c.ru_utime.tv_usec/1e6);
7849 cstime =
DBL2NUM((
double)usage_c.ru_stime.tv_sec + (
double)usage_c.ru_stime.tv_usec/1e6);
7851 const double hertz = (double)get_clk_tck();
7855 utime =
DBL2NUM(buf.tms_utime / hertz);
7856 stime =
DBL2NUM(buf.tms_stime / hertz);
7857 cutime =
DBL2NUM(buf.tms_cutime / hertz);
7858 cstime =
DBL2NUM(buf.tms_cstime / hertz);
7860 ret =
rb_struct_new(rb_cProcessTms, utime, stime, cutime, cstime);
7868#define rb_proc_times rb_f_notimplement
7871#ifdef HAVE_LONG_LONG
7873#define TIMETICK_INT_MIN LLONG_MIN
7874#define TIMETICK_INT_MAX LLONG_MAX
7875#define TIMETICK_INT2NUM(v) LL2NUM(v)
7876#define MUL_OVERFLOW_TIMETICK_P(a, b) MUL_OVERFLOW_LONG_LONG_P(a, b)
7878typedef long timetick_int_t;
7879#define TIMETICK_INT_MIN LONG_MIN
7880#define TIMETICK_INT_MAX LONG_MAX
7881#define TIMETICK_INT2NUM(v) LONG2NUM(v)
7882#define MUL_OVERFLOW_TIMETICK_P(a, b) MUL_OVERFLOW_LONG_P(a, b)
7885CONSTFUNC(
static timetick_int_t gcd_timetick_int(timetick_int_t, timetick_int_t));
7886static timetick_int_t
7887gcd_timetick_int(timetick_int_t a, timetick_int_t b)
7907reduce_fraction(timetick_int_t *np, timetick_int_t *dp)
7909 timetick_int_t gcd = gcd_timetick_int(*np, *dp);
7917reduce_factors(timetick_int_t *numerators,
int num_numerators,
7918 timetick_int_t *denominators,
int num_denominators)
7921 for (i = 0; i < num_numerators; i++) {
7922 if (numerators[i] == 1)
7924 for (j = 0; j < num_denominators; j++) {
7925 if (denominators[j] == 1)
7927 reduce_fraction(&numerators[i], &denominators[j]);
7933 timetick_int_t giga_count;
7938timetick2dblnum(
struct timetick *ttp,
7939 timetick_int_t *numerators,
int num_numerators,
7940 timetick_int_t *denominators,
int num_denominators)
7945 reduce_factors(numerators, num_numerators,
7946 denominators, num_denominators);
7948 d = ttp->giga_count * 1e9 + ttp->count;
7950 for (i = 0; i < num_numerators; i++)
7952 for (i = 0; i < num_denominators; i++)
7953 d /= denominators[i];
7959timetick2dblnum_reciprocal(
struct timetick *ttp,
7960 timetick_int_t *numerators,
int num_numerators,
7961 timetick_int_t *denominators,
int num_denominators)
7966 reduce_factors(numerators, num_numerators,
7967 denominators, num_denominators);
7970 for (i = 0; i < num_denominators; i++)
7971 d *= denominators[i];
7972 for (i = 0; i < num_numerators; i++)
7974 d /= ttp->giga_count * 1e9 + ttp->count;
7979#define NDIV(x,y) (-(-((x)+1)/(y))-1)
7980#define DIV(n,d) ((n)<0 ? NDIV((n),(d)) : (n)/(d))
7983timetick2integer(
struct timetick *ttp,
7984 timetick_int_t *numerators,
int num_numerators,
7985 timetick_int_t *denominators,
int num_denominators)
7990 reduce_factors(numerators, num_numerators,
7991 denominators, num_denominators);
7993 if (!MUL_OVERFLOW_SIGNED_INTEGER_P(1000000000, ttp->giga_count,
7994 TIMETICK_INT_MIN, TIMETICK_INT_MAX-ttp->count)) {
7995 timetick_int_t t = ttp->giga_count * 1000000000 + ttp->count;
7996 for (i = 0; i < num_numerators; i++) {
7997 timetick_int_t factor = numerators[i];
7998 if (MUL_OVERFLOW_TIMETICK_P(factor, t))
8002 for (i = 0; i < num_denominators; i++) {
8003 t = DIV(t, denominators[i]);
8005 return TIMETICK_INT2NUM(t);
8009 v = TIMETICK_INT2NUM(ttp->giga_count);
8012 for (i = 0; i < num_numerators; i++) {
8013 timetick_int_t factor = numerators[i];
8016 v =
rb_funcall(v,
'*', 1, TIMETICK_INT2NUM(factor));
8018 for (i = 0; i < num_denominators; i++) {
8019 v =
rb_funcall(v,
'/', 1, TIMETICK_INT2NUM(denominators[i]));
8025make_clock_result(
struct timetick *ttp,
8026 timetick_int_t *numerators,
int num_numerators,
8027 timetick_int_t *denominators,
int num_denominators,
8030 if (unit ==
ID2SYM(id_nanosecond)) {
8031 numerators[num_numerators++] = 1000000000;
8032 return timetick2integer(ttp, numerators, num_numerators, denominators, num_denominators);
8034 else if (unit ==
ID2SYM(id_microsecond)) {
8035 numerators[num_numerators++] = 1000000;
8036 return timetick2integer(ttp, numerators, num_numerators, denominators, num_denominators);
8038 else if (unit ==
ID2SYM(id_millisecond)) {
8039 numerators[num_numerators++] = 1000;
8040 return timetick2integer(ttp, numerators, num_numerators, denominators, num_denominators);
8042 else if (unit ==
ID2SYM(id_second)) {
8043 return timetick2integer(ttp, numerators, num_numerators, denominators, num_denominators);
8045 else if (unit ==
ID2SYM(id_float_microsecond)) {
8046 numerators[num_numerators++] = 1000000;
8047 return timetick2dblnum(ttp, numerators, num_numerators, denominators, num_denominators);
8049 else if (unit ==
ID2SYM(id_float_millisecond)) {
8050 numerators[num_numerators++] = 1000;
8051 return timetick2dblnum(ttp, numerators, num_numerators, denominators, num_denominators);
8053 else if (
NIL_P(unit) || unit ==
ID2SYM(id_float_second)) {
8054 return timetick2dblnum(ttp, numerators, num_numerators, denominators, num_denominators);
8057 rb_raise(rb_eArgError,
"unexpected unit: %"PRIsVALUE, unit);
8061static const mach_timebase_info_data_t *
8062get_mach_timebase_info(
void)
8064 static mach_timebase_info_data_t sTimebaseInfo;
8066 if ( sTimebaseInfo.denom == 0 ) {
8067 (void) mach_timebase_info(&sTimebaseInfo);
8070 return &sTimebaseInfo;
8074ruby_real_ms_time(
void)
8076 const mach_timebase_info_data_t *info = get_mach_timebase_info();
8077 uint64_t t = mach_absolute_time();
8078 return (
double)t * info->numer / info->denom / 1e6;
8082#if defined(NUM2CLOCKID)
8083# define NUMERIC_CLOCKID 1
8085# define NUMERIC_CLOCKID 0
8086# define NUM2CLOCKID(x) 0
8089#define clock_failed(name, err, arg) do { \
8090 int clock_error = (err); \
8091 rb_syserr_fail_str(clock_error, rb_sprintf("clock_" name "(%+"PRIsVALUE")", (arg))); \
8264 timetick_int_t numerators[2];
8265 timetick_int_t denominators[2];
8266 int num_numerators = 0;
8267 int num_denominators = 0;
8270 VALUE clk_id = argv[0];
8271#ifdef HAVE_CLOCK_GETTIME
8276#ifdef CLOCK_REALTIME
8277 if (clk_id == RUBY_CLOCK_REALTIME) {
8283#ifdef CLOCK_MONOTONIC
8284 if (clk_id == RUBY_CLOCK_MONOTONIC) {
8285 c = CLOCK_MONOTONIC;
8290#ifdef CLOCK_PROCESS_CPUTIME_ID
8291 if (clk_id == RUBY_CLOCK_PROCESS_CPUTIME_ID) {
8292 c = CLOCK_PROCESS_CPUTIME_ID;
8297#ifdef CLOCK_THREAD_CPUTIME_ID
8298 if (clk_id == RUBY_CLOCK_THREAD_CPUTIME_ID) {
8299 c = CLOCK_THREAD_CPUTIME_ID;
8307#ifdef HAVE_GETTIMEOFDAY
8312#define RUBY_GETTIMEOFDAY_BASED_CLOCK_REALTIME ID2SYM(id_GETTIMEOFDAY_BASED_CLOCK_REALTIME)
8313 if (clk_id == RUBY_GETTIMEOFDAY_BASED_CLOCK_REALTIME) {
8315 ret = gettimeofday(&tv, 0);
8317 rb_sys_fail(
"gettimeofday");
8318 tt.giga_count = tv.tv_sec;
8319 tt.count = (int32_t)tv.tv_usec * 1000;
8320 denominators[num_denominators++] = 1000000000;
8325#define RUBY_TIME_BASED_CLOCK_REALTIME ID2SYM(id_TIME_BASED_CLOCK_REALTIME)
8326 if (clk_id == RUBY_TIME_BASED_CLOCK_REALTIME) {
8329 if (t == (time_t)-1)
8330 rb_sys_fail(
"time");
8333 denominators[num_denominators++] = 1000000000;
8338#define RUBY_TIMES_BASED_CLOCK_MONOTONIC \
8339 ID2SYM(id_TIMES_BASED_CLOCK_MONOTONIC)
8340 if (clk_id == RUBY_TIMES_BASED_CLOCK_MONOTONIC) {
8343 unsigned_clock_t uc;
8345 if (c == (clock_t)-1)
8346 rb_sys_fail(
"times");
8347 uc = (unsigned_clock_t)c;
8348 tt.count = (int32_t)(uc % 1000000000);
8349 tt.giga_count = (uc / 1000000000);
8350 denominators[num_denominators++] = get_clk_tck();
8356#define RUBY_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID \
8357 ID2SYM(id_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID)
8358 if (clk_id == RUBY_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID) {
8359 struct rusage usage;
8361 ret = getrusage(RUSAGE_SELF, &usage);
8363 rb_sys_fail(
"getrusage");
8364 tt.giga_count = usage.ru_utime.tv_sec + usage.ru_stime.tv_sec;
8365 usec = (int32_t)(usage.ru_utime.tv_usec + usage.ru_stime.tv_usec);
8366 if (1000000 <= usec) {
8370 tt.count = usec * 1000;
8371 denominators[num_denominators++] = 1000000000;
8377#define RUBY_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID \
8378 ID2SYM(id_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID)
8379 if (clk_id == RUBY_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID) {
8381 unsigned_clock_t utime, stime;
8382 if (times(&buf) == (clock_t)-1)
8383 rb_sys_fail(
"times");
8384 utime = (unsigned_clock_t)buf.tms_utime;
8385 stime = (unsigned_clock_t)buf.tms_stime;
8386 tt.count = (int32_t)((utime % 1000000000) + (stime % 1000000000));
8387 tt.giga_count = (utime / 1000000000) + (stime / 1000000000);
8388 if (1000000000 <= tt.count) {
8389 tt.count -= 1000000000;
8392 denominators[num_denominators++] = get_clk_tck();
8397#define RUBY_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID \
8398 ID2SYM(id_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID)
8399 if (clk_id == RUBY_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID) {
8401 unsigned_clock_t uc;
8404 if (c == (clock_t)-1)
8405 rb_sys_fail(
"clock");
8406 uc = (unsigned_clock_t)c;
8407 tt.count = (int32_t)(uc % 1000000000);
8408 tt.giga_count = uc / 1000000000;
8409 denominators[num_denominators++] = CLOCKS_PER_SEC;
8414 if (clk_id == RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC) {
8415 const mach_timebase_info_data_t *info = get_mach_timebase_info();
8416 uint64_t t = mach_absolute_time();
8417 tt.count = (int32_t)(t % 1000000000);
8418 tt.giga_count = t / 1000000000;
8419 numerators[num_numerators++] = info->numer;
8420 denominators[num_denominators++] = info->denom;
8421 denominators[num_denominators++] = 1000000000;
8426 else if (NUMERIC_CLOCKID) {
8427#if defined(HAVE_CLOCK_GETTIME)
8429 c = NUM2CLOCKID(clk_id);
8431 ret = clock_gettime(c, &ts);
8433 clock_failed(
"gettime",
errno, clk_id);
8434 tt.count = (int32_t)ts.tv_nsec;
8435 tt.giga_count = ts.tv_sec;
8436 denominators[num_denominators++] = 1000000000;
8443 clock_failed(
"gettime", EINVAL, clk_id);
8446 return make_clock_result(&tt, numerators, num_numerators, denominators, num_denominators, unit);
8491 timetick_int_t numerators[2];
8492 timetick_int_t denominators[2];
8493 int num_numerators = 0;
8494 int num_denominators = 0;
8495#ifdef HAVE_CLOCK_GETRES
8500 VALUE clk_id = argv[0];
8503#ifdef CLOCK_REALTIME
8504 if (clk_id == RUBY_CLOCK_REALTIME) {
8510#ifdef CLOCK_MONOTONIC
8511 if (clk_id == RUBY_CLOCK_MONOTONIC) {
8512 c = CLOCK_MONOTONIC;
8517#ifdef CLOCK_PROCESS_CPUTIME_ID
8518 if (clk_id == RUBY_CLOCK_PROCESS_CPUTIME_ID) {
8519 c = CLOCK_PROCESS_CPUTIME_ID;
8524#ifdef CLOCK_THREAD_CPUTIME_ID
8525 if (clk_id == RUBY_CLOCK_THREAD_CPUTIME_ID) {
8526 c = CLOCK_THREAD_CPUTIME_ID;
8531#ifdef RUBY_GETTIMEOFDAY_BASED_CLOCK_REALTIME
8532 if (clk_id == RUBY_GETTIMEOFDAY_BASED_CLOCK_REALTIME) {
8535 denominators[num_denominators++] = 1000000000;
8540#ifdef RUBY_TIME_BASED_CLOCK_REALTIME
8541 if (clk_id == RUBY_TIME_BASED_CLOCK_REALTIME) {
8544 denominators[num_denominators++] = 1000000000;
8549#ifdef RUBY_TIMES_BASED_CLOCK_MONOTONIC
8550 if (clk_id == RUBY_TIMES_BASED_CLOCK_MONOTONIC) {
8553 denominators[num_denominators++] = get_clk_tck();
8558#ifdef RUBY_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID
8559 if (clk_id == RUBY_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID) {
8562 denominators[num_denominators++] = 1000000000;
8567#ifdef RUBY_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID
8568 if (clk_id == RUBY_TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID) {
8571 denominators[num_denominators++] = get_clk_tck();
8576#ifdef RUBY_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID
8577 if (clk_id == RUBY_CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID) {
8580 denominators[num_denominators++] = CLOCKS_PER_SEC;
8585#ifdef RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC
8586 if (clk_id == RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC) {
8587 const mach_timebase_info_data_t *info = get_mach_timebase_info();
8590 numerators[num_numerators++] = info->numer;
8591 denominators[num_denominators++] = info->denom;
8592 denominators[num_denominators++] = 1000000000;
8597 else if (NUMERIC_CLOCKID) {
8598#if defined(HAVE_CLOCK_GETRES)
8600 c = NUM2CLOCKID(clk_id);
8602 ret = clock_getres(c, &ts);
8604 clock_failed(
"getres",
errno, clk_id);
8605 tt.count = (int32_t)ts.tv_nsec;
8606 tt.giga_count = ts.tv_sec;
8607 denominators[num_denominators++] = 1000000000;
8614 clock_failed(
"getres", EINVAL, clk_id);
8617 if (unit ==
ID2SYM(id_hertz)) {
8618 return timetick2dblnum_reciprocal(&tt, numerators, num_numerators, denominators, num_denominators);
8621 return make_clock_result(&tt, numerators, num_numerators, denominators, num_denominators, unit);
8626get_CHILD_STATUS(
ID _x,
VALUE *_y)
8632get_PROCESS_ID(
ID _x,
VALUE *_y)
8724static VALUE rb_mProcUID;
8725static VALUE rb_mProcGID;
8726static VALUE rb_mProcID_Syscall;
8758 rb_gc_prepare_heap();
9186 rb_gvar_ractor_local(
"$$");
9187 rb_gvar_ractor_local(
"$?");
9242 process_status_dump, process_status_load);
9278#ifdef HAVE_GETPRIORITY
9289#if defined(RLIM2NUM) && defined(RLIM_INFINITY)
9291 VALUE inf = RLIM2NUM(RLIM_INFINITY);
9292#ifdef RLIM_SAVED_MAX
9294 VALUE v = RLIM_INFINITY == RLIM_SAVED_MAX ? inf : RLIM2NUM(RLIM_SAVED_MAX);
9296 rb_define_const(
rb_mProcess,
"RLIM_SAVED_MAX", v);
9300 rb_define_const(
rb_mProcess,
"RLIM_INFINITY", inf);
9301#ifdef RLIM_SAVED_CUR
9303 VALUE v = RLIM_INFINITY == RLIM_SAVED_CUR ? inf : RLIM2NUM(RLIM_SAVED_CUR);
9305 rb_define_const(
rb_mProcess,
"RLIM_SAVED_CUR", v);
9344#ifdef RLIMIT_MEMLOCK
9351#ifdef RLIMIT_MSGQUEUE
9417#ifdef RLIMIT_SIGPENDING
9452#if defined(RUBY_CLOCK_REALTIME)
9453#elif defined(RUBY_GETTIMEOFDAY_BASED_CLOCK_REALTIME)
9454# define RUBY_CLOCK_REALTIME RUBY_GETTIMEOFDAY_BASED_CLOCK_REALTIME
9455#elif defined(RUBY_TIME_BASED_CLOCK_REALTIME)
9456# define RUBY_CLOCK_REALTIME RUBY_TIME_BASED_CLOCK_REALTIME
9458#if defined(CLOCK_REALTIME) && defined(CLOCKID2NUM)
9460 rb_define_const(
rb_mProcess,
"CLOCK_REALTIME", CLOCKID2NUM(CLOCK_REALTIME));
9461#elif defined(RUBY_CLOCK_REALTIME)
9462 rb_define_const(
rb_mProcess,
"CLOCK_REALTIME", RUBY_CLOCK_REALTIME);
9465#if defined(RUBY_CLOCK_MONOTONIC)
9466#elif defined(RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC)
9467# define RUBY_CLOCK_MONOTONIC RUBY_MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC
9469#if defined(CLOCK_MONOTONIC) && defined(CLOCKID2NUM)
9471 rb_define_const(
rb_mProcess,
"CLOCK_MONOTONIC", CLOCKID2NUM(CLOCK_MONOTONIC));
9472#elif defined(RUBY_CLOCK_MONOTONIC)
9473 rb_define_const(
rb_mProcess,
"CLOCK_MONOTONIC", RUBY_CLOCK_MONOTONIC);
9476#if defined(RUBY_CLOCK_PROCESS_CPUTIME_ID)
9477#elif defined(RUBY_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID)
9478# define RUBY_CLOCK_PROCESS_CPUTIME_ID RUBY_GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID
9480#if defined(CLOCK_PROCESS_CPUTIME_ID) && defined(CLOCKID2NUM)
9482 rb_define_const(
rb_mProcess,
"CLOCK_PROCESS_CPUTIME_ID", CLOCKID2NUM(CLOCK_PROCESS_CPUTIME_ID));
9483#elif defined(RUBY_CLOCK_PROCESS_CPUTIME_ID)
9484 rb_define_const(
rb_mProcess,
"CLOCK_PROCESS_CPUTIME_ID", RUBY_CLOCK_PROCESS_CPUTIME_ID);
9487#if defined(CLOCK_THREAD_CPUTIME_ID) && defined(CLOCKID2NUM)
9489 rb_define_const(
rb_mProcess,
"CLOCK_THREAD_CPUTIME_ID", CLOCKID2NUM(CLOCK_THREAD_CPUTIME_ID));
9490#elif defined(RUBY_CLOCK_THREAD_CPUTIME_ID)
9491 rb_define_const(
rb_mProcess,
"CLOCK_THREAD_CPUTIME_ID", RUBY_CLOCK_THREAD_CPUTIME_ID);
9497 rb_define_const(
rb_mProcess,
"CLOCK_VIRTUAL", CLOCKID2NUM(CLOCK_VIRTUAL));
9501 rb_define_const(
rb_mProcess,
"CLOCK_PROF", CLOCKID2NUM(CLOCK_PROF));
9503#ifdef CLOCK_REALTIME_FAST
9505 rb_define_const(
rb_mProcess,
"CLOCK_REALTIME_FAST", CLOCKID2NUM(CLOCK_REALTIME_FAST));
9507#ifdef CLOCK_REALTIME_PRECISE
9509 rb_define_const(
rb_mProcess,
"CLOCK_REALTIME_PRECISE", CLOCKID2NUM(CLOCK_REALTIME_PRECISE));
9511#ifdef CLOCK_REALTIME_COARSE
9513 rb_define_const(
rb_mProcess,
"CLOCK_REALTIME_COARSE", CLOCKID2NUM(CLOCK_REALTIME_COARSE));
9515#ifdef CLOCK_REALTIME_ALARM
9517 rb_define_const(
rb_mProcess,
"CLOCK_REALTIME_ALARM", CLOCKID2NUM(CLOCK_REALTIME_ALARM));
9519#ifdef CLOCK_MONOTONIC_FAST
9521 rb_define_const(
rb_mProcess,
"CLOCK_MONOTONIC_FAST", CLOCKID2NUM(CLOCK_MONOTONIC_FAST));
9523#ifdef CLOCK_MONOTONIC_PRECISE
9525 rb_define_const(
rb_mProcess,
"CLOCK_MONOTONIC_PRECISE", CLOCKID2NUM(CLOCK_MONOTONIC_PRECISE));
9527#ifdef CLOCK_MONOTONIC_RAW
9529 rb_define_const(
rb_mProcess,
"CLOCK_MONOTONIC_RAW", CLOCKID2NUM(CLOCK_MONOTONIC_RAW));
9531#ifdef CLOCK_MONOTONIC_RAW_APPROX
9533 rb_define_const(
rb_mProcess,
"CLOCK_MONOTONIC_RAW_APPROX", CLOCKID2NUM(CLOCK_MONOTONIC_RAW_APPROX));
9535#ifdef CLOCK_MONOTONIC_COARSE
9537 rb_define_const(
rb_mProcess,
"CLOCK_MONOTONIC_COARSE", CLOCKID2NUM(CLOCK_MONOTONIC_COARSE));
9539#ifdef CLOCK_BOOTTIME
9541 rb_define_const(
rb_mProcess,
"CLOCK_BOOTTIME", CLOCKID2NUM(CLOCK_BOOTTIME));
9543#ifdef CLOCK_BOOTTIME_ALARM
9545 rb_define_const(
rb_mProcess,
"CLOCK_BOOTTIME_ALARM", CLOCKID2NUM(CLOCK_BOOTTIME_ALARM));
9549 rb_define_const(
rb_mProcess,
"CLOCK_UPTIME", CLOCKID2NUM(CLOCK_UPTIME));
9551#ifdef CLOCK_UPTIME_FAST
9553 rb_define_const(
rb_mProcess,
"CLOCK_UPTIME_FAST", CLOCKID2NUM(CLOCK_UPTIME_FAST));
9555#ifdef CLOCK_UPTIME_PRECISE
9557 rb_define_const(
rb_mProcess,
"CLOCK_UPTIME_PRECISE", CLOCKID2NUM(CLOCK_UPTIME_PRECISE));
9559#ifdef CLOCK_UPTIME_RAW
9561 rb_define_const(
rb_mProcess,
"CLOCK_UPTIME_RAW", CLOCKID2NUM(CLOCK_UPTIME_RAW));
9563#ifdef CLOCK_UPTIME_RAW_APPROX
9565 rb_define_const(
rb_mProcess,
"CLOCK_UPTIME_RAW_APPROX", CLOCKID2NUM(CLOCK_UPTIME_RAW_APPROX));
9569 rb_define_const(
rb_mProcess,
"CLOCK_SECOND", CLOCKID2NUM(CLOCK_SECOND));
9573 rb_define_const(
rb_mProcess,
"CLOCK_TAI", CLOCKID2NUM(CLOCK_TAI));
9579#if defined(HAVE_TIMES) || defined(_WIN32)
9593 SAVED_USER_ID = geteuid();
9594 SAVED_GROUP_ID = getegid();
9617#ifdef p_uid_from_name
9620#ifdef p_gid_from_name
9651#define define_id(name) id_##name = rb_intern_const(#name)
9664 define_id(new_pgroup);
9666 define_id(unsetenv_others);
9669 define_id(close_others);
9670 define_id(nanosecond);
9671 define_id(microsecond);
9672 define_id(millisecond);
9674 define_id(float_microsecond);
9675 define_id(float_millisecond);
9676 define_id(float_second);
9677 define_id(GETTIMEOFDAY_BASED_CLOCK_REALTIME);
9678 define_id(TIME_BASED_CLOCK_REALTIME);
9679#ifdef CLOCK_REALTIME
9680 define_id(CLOCK_REALTIME);
9682#ifdef CLOCK_MONOTONIC
9683 define_id(CLOCK_MONOTONIC);
9685#ifdef CLOCK_PROCESS_CPUTIME_ID
9686 define_id(CLOCK_PROCESS_CPUTIME_ID);
9688#ifdef CLOCK_THREAD_CPUTIME_ID
9689 define_id(CLOCK_THREAD_CPUTIME_ID);
9692 define_id(TIMES_BASED_CLOCK_MONOTONIC);
9693 define_id(TIMES_BASED_CLOCK_PROCESS_CPUTIME_ID);
9696 define_id(GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID);
9698 define_id(CLOCK_BASED_CLOCK_PROCESS_CPUTIME_ID);
9700 define_id(MACH_ABSOLUTE_TIME_BASED_CLOCK_MONOTONIC);
#define rb_define_method(klass, mid, func, arity)
Defines klass#mid.
#define rb_define_singleton_method(klass, mid, func, arity)
Defines klass.mid.
#define rb_define_module_function(klass, mid, func, arity)
Defines klass#mid and makes it a module function.
#define rb_define_global_function(mid, func, arity)
Defines rb_mKernel #mid.
#define GIDT2NUM
Converts a C's gid_t into an instance of rb_cInteger.
#define NUM2GIDT
Converts an instance of rb_cNumeric into C's gid_t.
VALUE rb_singleton_class(VALUE obj)
Finds or creates the singleton class of the passed object.
VALUE rb_define_class_under(VALUE outer, const char *name, VALUE super)
Defines a class under the namespace of outer.
VALUE rb_define_module(const char *name)
Defines a top-level module.
VALUE rb_define_module_under(VALUE outer, const char *name)
Defines a module under the namespace of outer.
void rb_define_alias(VALUE klass, const char *name1, const char *name2)
Defines an alias of a method.
void rb_define_attr(VALUE klass, const char *name, int read, int write)
Defines public accessor method(s) for an attribute.
void rb_undef_method(VALUE klass, const char *name)
Defines an undef of a method.
int rb_block_given_p(void)
Determines if the current method is given a block.
#define rb_str_new2
Old name of rb_str_new_cstr.
#define TYPE(_)
Old name of rb_type.
#define T_FILE
Old name of RUBY_T_FILE.
#define rb_str_buf_cat2
Old name of rb_usascii_str_new_cstr.
#define T_STRING
Old name of RUBY_T_STRING.
#define Qundef
Old name of RUBY_Qundef.
#define INT2FIX
Old name of RB_INT2FIX.
#define rb_str_cat2
Old name of rb_str_cat_cstr.
#define ISUPPER
Old name of rb_isupper.
#define ID2SYM
Old name of RB_ID2SYM.
#define T_BIGNUM
Old name of RUBY_T_BIGNUM.
#define T_FIXNUM
Old name of RUBY_T_FIXNUM.
#define UNREACHABLE_RETURN
Old name of RBIMPL_UNREACHABLE_RETURN.
#define CLASS_OF
Old name of rb_class_of.
#define LONG2FIX
Old name of RB_INT2FIX.
#define FIX2INT
Old name of RB_FIX2INT.
#define TOUPPER
Old name of rb_toupper.
#define NUM2UINT
Old name of RB_NUM2UINT.
#define ISLOWER
Old name of rb_islower.
#define rb_ary_new3
Old name of rb_ary_new_from_args.
#define Qtrue
Old name of RUBY_Qtrue.
#define NUM2INT
Old name of RB_NUM2INT.
#define INT2NUM
Old name of RB_INT2NUM.
#define Qnil
Old name of RUBY_Qnil.
#define Qfalse
Old name of RUBY_Qfalse.
#define T_ARRAY
Old name of RUBY_T_ARRAY.
#define NIL_P
Old name of RB_NIL_P.
#define ALLOCV_N
Old name of RB_ALLOCV_N.
#define T_SYMBOL
Old name of RUBY_T_SYMBOL.
#define DBL2NUM
Old name of rb_float_new.
#define FIXNUM_P
Old name of RB_FIXNUM_P.
#define CONST_ID
Old name of RUBY_CONST_ID.
#define ALLOCV_END
Old name of RB_ALLOCV_END.
#define SYMBOL_P
Old name of RB_SYMBOL_P.
void ruby_stop(int ex)
Calls ruby_cleanup() and exits the process.
void rb_notimplement(void)
VALUE rb_eNotImpError
NotImplementedError exception.
void rb_exc_raise(VALUE mesg)
Raises an exception in the current thread.
void rb_syserr_fail(int e, const char *mesg)
Raises appropriate exception that represents a C errno.
VALUE rb_eSystemExit
SystemExit exception.
void rb_syserr_fail_str(int e, VALUE mesg)
Identical to rb_syserr_fail(), except it takes the message in Ruby's String instead of C's.
VALUE rb_eRuntimeError
RuntimeError exception.
void * rb_check_typeddata(VALUE obj, const rb_data_type_t *data_type)
Identical to rb_typeddata_is_kind_of(), except it raises exceptions instead of returning false.
void rb_warn(const char *fmt,...)
Identical to rb_warning(), except it reports unless $VERBOSE is nil.
VALUE rb_exc_new_str(VALUE etype, VALUE str)
Identical to rb_exc_new_cstr(), except it takes a Ruby's string instead of C's.
void rb_unexpected_type(VALUE x, int t)
Fails with the given object's type incompatibility to the type.
void rb_exit(int status)
Terminates the current execution context.
VALUE rb_mProcess
Process module.
VALUE rb_class_new_instance(int argc, const VALUE *argv, VALUE klass)
Allocates, then initialises an instance of the given class.
VALUE rb_cThread
Thread class.
VALUE rb_equal(VALUE lhs, VALUE rhs)
This function is an optimised version of calling #==.
VALUE rb_obj_freeze(VALUE obj)
Just calls rb_obj_freeze_inline() inside.
VALUE rb_to_int(VALUE val)
Identical to rb_check_to_int(), except it raises in case of conversion mismatch.
#define RB_OBJ_WRITTEN(old, oldv, young)
Identical to RB_OBJ_WRITE(), except it doesn't write any values, but only a WB declaration.
VALUE rb_funcall(VALUE recv, ID mid, int n,...)
Calls a method.
VALUE rb_ary_dup(VALUE ary)
Duplicates an array.
VALUE rb_check_array_type(VALUE obj)
Try converting an object to its array representation using its to_ary method, if any.
VALUE rb_ary_new(void)
Allocates a new, empty array.
VALUE rb_ary_push(VALUE ary, VALUE elem)
Special case of rb_ary_cat() that it adds only one element.
VALUE rb_ary_entry(VALUE ary, long off)
Queries an element of an array.
VALUE rb_assoc_new(VALUE car, VALUE cdr)
Identical to rb_ary_new_from_values(), except it expects exactly two parameters.
void rb_ary_store(VALUE ary, long key, VALUE val)
Destructively stores the passed value to the passed array's passed index.
#define UNLIMITED_ARGUMENTS
This macro is used in conjunction with rb_check_arity().
static int rb_check_arity(int argc, int min, int max)
Ensures that the passed integer is in the passed range.
VALUE rb_f_abort(int argc, const VALUE *argv)
This is similar to rb_f_exit().
VALUE rb_f_exit(int argc, const VALUE *argv)
Identical to rb_exit(), except how arguments are passed.
int rb_cloexec_dup2(int oldfd, int newfd)
Identical to rb_cloexec_dup(), except you can specify the destination file descriptor.
void rb_update_max_fd(int fd)
Informs the interpreter that the passed fd can be the max.
int rb_cloexec_open(const char *pathname, int flags, mode_t mode)
Opens a file that closes on exec.
void rb_close_before_exec(int lowfd, int maxhint, VALUE noclose_fds)
Closes everything.
int rb_reserved_fd_p(int fd)
Queries if the given FD is reserved or not.
int rb_pipe(int *pipes)
This is an rb_cloexec_pipe() + rb_update_max_fd() combo.
int rb_cloexec_fcntl_dupfd(int fd, int minfd)
Duplicates a file descriptor with closing on exec.
int rb_cloexec_dup(int oldfd)
Identical to rb_cloexec_fcntl_dupfd(), except it implies minfd is 3.
int rb_proc_exec(const char *cmd)
Executes a shell command.
VALUE rb_last_status_get(void)
Queries the "last status", or the $?.
rb_pid_t rb_waitpid(rb_pid_t pid, int *status, int flags)
Waits for a process, with releasing GVL.
rb_pid_t rb_spawn_err(int argc, const VALUE *argv, char *errbuf, size_t buflen)
Identical to rb_spawn(), except you can additionally know the detailed situation in case of abnormal ...
void rb_syswait(rb_pid_t pid)
This is a shorthand of rb_waitpid without status and flags.
VALUE rb_f_exec(int argc, const VALUE *argv)
Replaces the current process by running the given external command.
rb_pid_t rb_spawn(int argc, const VALUE *argv)
Identical to rb_f_exec(), except it spawns a child process instead of replacing the current one.
VALUE rb_process_status_wait(rb_pid_t pid, int flags)
Wait for the specified process to terminate, reap it, and return its status.
void rb_last_status_set(int status, rb_pid_t pid)
Sets the "last status", or the $?.
VALUE rb_detach_process(rb_pid_t pid)
"Detaches" a subprocess.
const char * ruby_signal_name(int signo)
Queries the name of the signal.
VALUE rb_f_kill(int argc, const VALUE *argv)
Sends a signal ("kills") to processes.
VALUE rb_str_append(VALUE dst, VALUE src)
Identical to rb_str_buf_append(), except it converts the right hand side before concatenating.
VALUE rb_str_tmp_new(long len)
Allocates a "temporary" string.
VALUE rb_str_subseq(VALUE str, long beg, long len)
Identical to rb_str_substr(), except the numbers are interpreted as byte offsets instead of character...
#define rb_str_new(str, len)
Allocates an instance of rb_cString.
#define rb_str_buf_cat
Just another name of rb_str_cat.
size_t rb_str_capacity(VALUE str)
Queries the capacity of the given string.
VALUE rb_str_new_frozen(VALUE str)
Creates a frozen copy of the string, if necessary.
VALUE rb_str_dup(VALUE str)
Duplicates a string.
void rb_str_set_len(VALUE str, long len)
Overwrites the length of the string.
VALUE rb_check_string_type(VALUE obj)
Try converting an object to its stringised representation using its to_str method,...
#define rb_str_cat_cstr(buf, str)
Identical to rb_str_cat(), except it assumes the passed pointer is a pointer to a C string.
void rb_str_modify_expand(VALUE str, long capa)
Identical to rb_str_modify(), except it additionally expands the capacity of the receiver.
VALUE rb_str_buf_new(long capa)
Allocates a "string buffer".
#define rb_str_new_cstr(str)
Identical to rb_str_new, except it assumes the passed pointer is a pointer to a C string.
VALUE rb_struct_define_under(VALUE space, const char *name,...)
Identical to rb_struct_define(), except it defines the class under the specified namespace instead of...
VALUE rb_struct_new(VALUE klass,...)
Creates an instance of the given struct.
VALUE rb_thread_local_aref(VALUE thread, ID key)
This badly named function reads from a Fiber local storage.
#define RUBY_UBF_IO
A special UBF for blocking IO operations.
void rb_thread_sleep_forever(void)
Blocks indefinitely.
void rb_thread_wait_for(struct timeval time)
Identical to rb_thread_sleep(), except it takes struct timeval instead.
void rb_thread_check_ints(void)
Checks for interrupts.
void rb_thread_atfork(void)
A pthread_atfork(3posix)-like API.
VALUE rb_thread_local_aset(VALUE thread, ID key, VALUE val)
This badly named function writes to a Fiber local storage.
#define RUBY_UBF_PROCESS
A special UBF for blocking process operations.
void rb_thread_sleep(int sec)
Blocks for the given period of time.
struct timeval rb_time_interval(VALUE num)
Creates a "time interval".
VALUE rb_ivar_set(VALUE obj, ID name, VALUE val)
Identical to rb_iv_set(), except it accepts the name as an ID instead of a C string.
void rb_undef_alloc_func(VALUE klass)
Deletes the allocator function of a class.
void rb_define_alloc_func(VALUE klass, rb_alloc_func_t func)
Sets the allocator function of a class.
ID rb_check_id(volatile VALUE *namep)
Detects if the given name is already interned or not.
VALUE rb_sym2str(VALUE symbol)
Obtain a frozen string representation of a symbol (not including the leading colon).
int rb_io_modestr_oflags(const char *modestr)
Identical to rb_io_modestr_fmode(), except it returns a mixture of O_ flags.
#define GetOpenFile
This is an old name of RB_IO_POINTER.
VALUE rb_io_check_io(VALUE io)
Try converting an object to its IO representation using its to_io method, if any.
int len
Length of the buffer.
void * rb_thread_call_without_gvl2(void *(*func)(void *), void *data1, rb_unblock_function_t *ubf, void *data2)
Identical to rb_thread_call_without_gvl(), except it does not interface with signals etc.
void * rb_thread_call_without_gvl(void *(*func)(void *), void *data1, rb_unblock_function_t *ubf, void *data2)
Allows the passed function to run in parallel with other Ruby threads.
#define RB_NUM2INT
Just another name of rb_num2int_inline.
#define RB_INT2NUM
Just another name of rb_int2num_inline.
#define RB_BLOCK_CALL_FUNC_ARGLIST(yielded_arg, callback_arg)
Shim for block function parameters.
VALUE rb_yield(VALUE val)
Yields the block.
void rb_marshal_define_compat(VALUE newclass, VALUE oldclass, VALUE(*dumper)(VALUE), VALUE(*loader)(VALUE, VALUE))
Marshal format compatibility layer.
#define MEMCPY(p1, p2, type, n)
Handy macro to call memcpy.
#define MEMZERO(p, type, n)
Handy macro to erase a region of memory.
#define RB_GC_GUARD(v)
Prevents premature destruction of local objects.
#define NUM2MODET
Converts a C's mode_t into an instance of rb_cInteger.
VALUE rb_thread_create(type *q, void *w)
Creates a rb_cThread instance.
VALUE rb_block_call(VALUE q, ID w, int e, const VALUE *r, type *t, VALUE y)
Call a method with a block.
void rb_define_virtual_variable(const char *q, type *w, void_type *e)
Define a function-backended global variable.
VALUE rb_ensure(type *q, VALUE w, type *e, VALUE r)
An equivalent of ensure clause.
#define PIDT2NUM
Converts a C's pid_t into an instance of rb_cInteger.
#define NUM2PIDT
Converts an instance of rb_cNumeric into C's pid_t.
#define RARRAY_LEN
Just another name of rb_array_len.
static int RARRAY_LENINT(VALUE ary)
Identical to rb_array_len(), except it differs for the return type.
static void RARRAY_ASET(VALUE ary, long i, VALUE v)
Assigns an object in an array.
#define RARRAY_AREF(a, i)
#define RUBY_DEFAULT_FREE
This is a value you can set to RData::dfree.
#define RHASH_SIZE(h)
Queries the size of the hash.
#define RHASH_EMPTY_P(h)
Checks if the hash is empty.
#define StringValue(v)
Ensures that the parameter object is a String.
#define StringValueCStr(v)
Identical to StringValuePtr, except it additionally checks for the contents for viability as a C stri...
#define RUBY_TYPED_DEFAULT_FREE
This is a value you can set to rb_data_type_struct::dfree.
#define TypedData_Get_Struct(obj, type, data_type, sval)
Obtains a C struct from inside of a wrapper Ruby object.
#define TypedData_Make_Struct(klass, type, data_type, sval)
Identical to TypedData_Wrap_Struct, except it allocates a new data region internally instead of takin...
const char * rb_class2name(VALUE klass)
Queries the name of the passed class.
#define FilePathValue(v)
Ensures that the parameter object is a path.
#define errno
Ractor-aware version of errno.
#define InitVM(ext)
This macro is for internal use.
VALUE rb_fiber_scheduler_current(void)
Identical to rb_fiber_scheduler_get(), except it also returns RUBY_Qnil in case of a blocking fiber.
VALUE rb_fiber_scheduler_kernel_sleepv(VALUE scheduler, int argc, VALUE *argv)
Identical to rb_fiber_scheduler_kernel_sleep(), except it can pass multiple arguments.
VALUE rb_fiber_scheduler_process_wait(VALUE scheduler, rb_pid_t pid, int flags)
Non-blocking waitpid.
static bool RB_SPECIAL_CONST_P(VALUE obj)
Checks if the given object is of enum ruby_special_consts.
#define RTEST
This is an old name of RB_TEST.
#define _(args)
This was a transition path from K&R to ANSI.
This is the struct that holds necessary info for a struct.
const char * wrap_struct_name
Name of structs of this kind.
Ruby's IO, metadata and buffers.
VALUE tied_io_for_writing
Duplex IO object, if set.
#define UIDT2NUM
Converts a C's uid_t into an instance of rb_cInteger.
#define NUM2UIDT
Converts an instance of rb_cNumeric into C's uid_t.
uintptr_t ID
Type that represents a Ruby identifier such as a variable name.
uintptr_t VALUE
Type that represents a Ruby object.
static enum ruby_value_type RB_BUILTIN_TYPE(VALUE obj)
Queries the type of the object.
static void Check_Type(VALUE v, enum ruby_value_type t)
Identical to RB_TYPE_P(), except it raises exceptions on predication failure.
static bool RB_TYPE_P(VALUE obj, enum ruby_value_type t)
Queries if the given object is of given type.