win32.h

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#ifndef RBIMPL_INTERN_SELECT_WIN32_H                 /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_INTERN_SELECT_WIN32_H
#include "ruby/internal/dosish.h"      /* for rb_w32_select */
#include "ruby/internal/attr/nonnull.h"
#include "ruby/internal/attr/pure.h"
#include "ruby/internal/attr/noalias.h"
#include "ruby/internal/dllexport.h"
#include "ruby/assert.h"
 
#define rb_fd_zero  rb_fd_zero
#define rb_fd_clr   rb_fd_clr
#define rb_fd_isset rb_fd_isset
#define rb_fd_copy  rb_fd_copy
#define rb_fd_dup   rb_fd_dup
#define rb_fd_ptr   rb_fd_ptr
#define rb_fd_max   rb_fd_max
RBIMPL_SYMBOL_EXPORT_BEGIN()
 
struct timeval;
 
typedef struct {
    int capa;                   
    fd_set *fdset;              
} rb_fdset_t;
 
RBIMPL_ATTR_NONNULL(())
void rb_fd_init(rb_fdset_t *f);
 
RBIMPL_ATTR_NONNULL(())
void rb_fd_term(rb_fdset_t *f);
 
RBIMPL_ATTR_NONNULL(())
void rb_fd_set(int fd, rb_fdset_t *f);
 
RBIMPL_ATTR_NONNULL(())
void rb_w32_fd_copy(rb_fdset_t *dst, const fd_set *src, int max);
 
RBIMPL_ATTR_NONNULL(())
void rb_w32_fd_dup(rb_fdset_t *dst, const rb_fdset_t *src);
 
RBIMPL_SYMBOL_EXPORT_END()
 
RBIMPL_ATTR_NONNULL(())
RBIMPL_ATTR_NOALIAS()
static inline void
rb_fd_zero(rb_fdset_t *f)
{
    f->fdset->fd_count = 0;
}
 
RBIMPL_ATTR_NONNULL(())
static inline void
rb_fd_clr(int n, rb_fdset_t *f)
{
    rb_w32_fdclr(n, f->fdset);
}
 
RBIMPL_ATTR_NONNULL(())
static inline int
rb_fd_isset(int n, rb_fdset_t *f)
{
    return rb_w32_fdisset(n, f->fdset);
}
 
RBIMPL_ATTR_NONNULL(())
static inline void
rb_fd_copy(rb_fdset_t *dst, const fd_set *src, int n)
{
    rb_w32_fd_copy(dst, src, n);
}
 
RBIMPL_ATTR_NONNULL(())
static inline void
rb_fd_dup(rb_fdset_t *dst, const rb_fdset_t *src)
{
    rb_w32_fd_dup(dst, src);
}
 
static inline int
rb_fd_select(int n, rb_fdset_t *rfds, rb_fdset_t *wfds, rb_fdset_t *efds, struct timeval *timeout)
{
    return rb_w32_select(
        n,
        rfds ? rfds->fdset : NULL,
        wfds ? wfds->fdset : NULL,
        efds ? efds->fdset : NULL,
        timeout);
}
 
RBIMPL_ATTR_NONNULL(())
RBIMPL_ATTR_PURE()
static inline fd_set *
rb_fd_ptr(const rb_fdset_t *f)
{
    return f->fdset;
}
 
RBIMPL_ATTR_NONNULL(())
RBIMPL_ATTR_PURE_UNLESS_DEBUG()
static inline int
rb_fd_max(const rb_fdset_t *f)
{
    const fd_set *p = f->fdset;
 
    RBIMPL_ASSERT_OR_ASSUME(p);
    return RBIMPL_CAST((int)p->fd_count);
}
 
#endif /* RBIMPL_INTERN_SELECT_WIN32_H */