(b76ad15ed0da636161de0243c547ee1e6fc95681)

#include "ruby/internal/config.h"
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include "debug_counter.h"
#include "eval_intern.h"
#include "internal.h"
#include "internal/eval.h"
#include "internal/sanitizers.h"
#include "internal/signal.h"
#include "internal/string.h"
#include "internal/thread.h"
#include "ruby_atomic.h"
#include "vm_core.h"
#include "ractor_core.h"

Include dependency graph for signal.c:

Go to the source code of this file.

Data Structures
struct	signals

Macros
#define	FOREACH_SIGNAL(sig, offset) for (sig = siglist + (offset); sig < siglist + numberof(siglist); ++sig)

#define	killpg(pg, sig) kill(-(pg), (sig))

#define	sighandler_t ruby_sighandler_t

#define	SIGINFO_ARG

#define	SIGINFO_CTX 0

#define	ruby_signal(sig, handler) (/* rb_trap_accept_nativethreads[(sig)] = 0,*/ signal((sig),(handler)))

#define	GET_SIGCHLD_HIT() 0

#define	clear_received_signal() ((void)0)

#define	CHECK_STACK_OVERFLOW() (void)0

#define	MESSAGE_FAULT_ADDRESS

#define	INSTALL_SIGHANDLER(cond, signame, signum)

#define	install_sighandler(signum, handler) INSTALL_SIGHANDLER(install_sighandler_core(signum, handler, NULL), #signum, signum)

#define	force_install_sighandler(signum, handler, old_handler) INSTALL_SIGHANDLER(install_sighandler_core(signum, handler, old_handler), #signum, signum)

#define	grantpt(fd) fake_grantfd(fd)

Typedefs
typedef void	ruby_sigaction_t(int)

Enumerations
enum	{ LONGEST_SIGNAME = 7 }

Functions
const char *	ruby_signal_name (int no)

void	rb_malloc_info_show_results (void)

void	ruby_default_signal (int sig)

VALUE	rb_f_kill (int argc, const VALUE *argv)

int	rb_signal_buff_size (void)

int	rb_get_next_signal (void)

void	rb_vm_trap_exit (rb_vm_t *vm)

void	ruby_waitpid_all (rb_vm_t *)

void	ruby_sigchld_handler (rb_vm_t *vm)

int	rb_signal_exec (rb_thread_t *th, int sig)

void	ruby_sig_finalize (void)

void	Init_signal (void)

int	rb_grantpt (int masterfd)

Variables
int	ruby_enable_coredump = 0

Macro Definition Documentation

◆ CHECK_STACK_OVERFLOW

#define CHECK_STACK_OVERFLOW ( ) (void)0

Definition at line 920 of file signal.c.

◆ clear_received_signal

#define clear_received_signal ( ) ((void)0)

Definition at line 794 of file signal.c.

◆ force_install_sighandler

#define force_install_sighandler	(	signum,
		handler,
		old_handler
	)	INSTALL_SIGHANDLER(install_sighandler_core(signum, handler, old_handler), #signum, signum)

Definition at line 1474 of file signal.c.

◆ FOREACH_SIGNAL

#define FOREACH_SIGNAL	(	sig,
		offset
	)	for (sig = siglist + (offset); sig < siglist + numberof(siglist); ++sig)

Definition at line 69 of file signal.c.

◆ GET_SIGCHLD_HIT

#define GET_SIGCHLD_HIT ( ) 0

Definition at line 715 of file signal.c.

◆ grantpt

#define grantpt ( fd ) fake_grantfd(fd)

Definition at line 1620 of file signal.c.

◆ INSTALL_SIGHANDLER

#define INSTALL_SIGHANDLER	(	cond,
		signame,
		signum
	)

Value:

        do {    \
        static const char failed[] = "failed to install "signame" handler"; \
        if (!(cond)) break; \
        if (reserved_signal_p(signum)) rb_bug(failed); \
        perror(failed); \
    } while (0)

Definition at line 1447 of file signal.c.

◆ install_sighandler

#define install_sighandler	(	signum,
		handler
	)	INSTALL_SIGHANDLER(install_sighandler_core(signum, handler, NULL), #signum, signum)

Definition at line 1472 of file signal.c.

◆ killpg

#define killpg	(	pg,
		sig
	)	kill(-(pg), (sig))

◆ MESSAGE_FAULT_ADDRESS

#define MESSAGE_FAULT_ADDRESS

Definition at line 923 of file signal.c.

◆ ruby_signal

#define ruby_signal	(	sig,
		handler
	)	(/* rb_trap_accept_nativethreads[(sig)] = 0,*/ signal((sig),(handler)))

Definition at line 671 of file signal.c.

◆ sighandler_t

#define sighandler_t ruby_sighandler_t

Definition at line 515 of file signal.c.

◆ SIGINFO_ARG

#define SIGINFO_ARG

Definition at line 523 of file signal.c.

◆ SIGINFO_CTX

#define SIGINFO_CTX 0

Definition at line 524 of file signal.c.

Typedef Documentation

◆ ruby_sigaction_t

typedef void ruby_sigaction_t(int)

Definition at line 522 of file signal.c.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
LONGEST_SIGNAME

Definition at line 71 of file signal.c.

Function Documentation

◆ Init_signal()

void Init_signal ( void )

Definition at line 1548 of file signal.c.

References rb_define_global_function, and rb_define_module().

◆ rb_f_kill()

VALUE rb_f_kill	(	int	argc,
		const VALUE *	argv
	)

Definition at line 423 of file signal.c.

References argc, argv, FIX2INT, FIXNUM_P, rb_check_arity, str, and UNLIMITED_ARGUMENTS.

◆ rb_get_next_signal()

int rb_get_next_signal ( void )

Definition at line 773 of file signal.c.

◆ rb_grantpt()

int rb_grantpt ( int masterfd )

Definition at line 1624 of file signal.c.

References GET_VM, grantpt, rb_nativethread_lock_lock(), rb_nativethread_lock_unlock(), ret, RUBY_SIGCHLD, and rb_vm_struct::waitpid_lock.

◆ rb_malloc_info_show_results()

void rb_malloc_info_show_results ( void )

Definition at line 11633 of file gc.c.

Referenced by ruby_default_signal().

◆ rb_signal_buff_size()

int rb_signal_buff_size ( void )

Definition at line 747 of file signal.c.

Referenced by rb_thread_check_trap_pending(), and rb_threadptr_check_signal().

◆ rb_signal_exec()

int rb_signal_exec	(	rb_thread_t *	th,
		int	sig
	)

Definition at line 1100 of file signal.c.

References rb_vm_struct::cmd, GET_VM, Qundef, rb_interrupt(), rb_threadptr_signal_exit(), rb_threadptr_signal_raise(), SIGINT, and rb_vm_struct::trap_list.

◆ rb_vm_trap_exit()

void rb_vm_trap_exit ( rb_vm_t * vm )

Definition at line 1078 of file signal.c.

References rb_vm_struct::cmd, and rb_vm_struct::trap_list.

◆ ruby_default_signal()

void ruby_default_signal ( int sig )

Definition at line 407 of file signal.c.

References rb_debug_counter_show_results(), and rb_malloc_info_show_results().

◆ ruby_sigchld_handler()

void ruby_sigchld_handler ( rb_vm_t * vm )

Definition at line 1091 of file signal.c.

References GET_SIGCHLD_HIT, ruby_waitpid_all(), and SIGCHLD_LOSSY.

◆ ruby_signal_name()

const char* ruby_signal_name ( int no )

Definition at line 316 of file signal.c.

◆ ruby_waitpid_all()

void ruby_waitpid_all ( rb_vm_t * )

Definition at line 1151 of file process.c.

References rb_native_mutex_lock(), ruby_nocldwait, rb_vm_struct::waiting_grps, rb_vm_struct::waiting_pids, and rb_vm_struct::waitpid_lock.

Referenced by ruby_sigchld_handler().

Variable Documentation

◆ cnt

rb_atomic_t cnt[RUBY_NSIG]

Definition at line 508 of file signal.c.

Referenced by procstat_vm(), rb_alloc_tmp_buffer(), rb_ary_rotate(), rb_parser_calloc(), rb_parser_malloc(), and rb_parser_realloc().

◆ ruby_enable_coredump

int ruby_enable_coredump = 0

Definition at line 1508 of file signal.c.

Referenced by ruby_env_debug_option().

◆ size

rb_atomic_t size

Definition at line 509 of file signal.c.

Referenced by coroutine_initialize(), onig_bbuf_init(), onig_memsize(), onig_region_memsize(), rb_aligned_malloc(), rb_ast_add_local_table(), rb_ast_memsize(), rb_data_object_zalloc(), rb_data_typed_object_zalloc(), rb_ec_initialize_vm_stack(), rb_ec_set_vm_stack(), rb_ec_wb_protected_newobj_of(), rb_econv_memsize(), rb_hash_new_with_size(), rb_imemo_new(), rb_io_memsize(), rb_iseq_insns_info_decode_positions(), rb_iseq_insns_info_encode_positions(), rb_iseq_mark_insn_storage(), rb_iseq_memsize(), rb_load_with_builtin_functions(), rb_mem_clear(), rb_memory_view_parse_item_format(), rb_parser_calloc(), rb_parser_malloc(), rb_parser_realloc(), rb_struct_new(), rb_w32_read(), rb_w32_reparse_symlink_p(), rb_w32_write(), rb_wb_protected_newobj_of(), rb_wb_unprotected_newobj_of(), reg_get_val(), ruby_fill_random_bytes(), ruby_getcwd(), ruby_mimmalloc(), ruby_xcalloc(), ruby_xmalloc(), ruby_xmalloc2(), ruby_xmalloc_body(), ruby_xrealloc2_body(), and st_init_numtable_with_size().