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-#ifndef RUBY3_INTERN_SELECT_WIN32_H /*-*-C++-*-vi:se ft=cpp:*/
-#define RUBY3_INTERN_SELECT_WIN32_H
-/**
- * @file
- * @author Ruby developers <[email protected]>
- * @copyright This file is a part of the programming language Ruby.
- * Permission is hereby granted, to either redistribute and/or
- * modify this file, provided that the conditions mentioned in the
- * file COPYING are met. Consult the file for details.
- * @warning Symbols prefixed with either `RUBY3` or `ruby3` are
- * implementation details. Don't take them as canon. They could
- * rapidly appear then vanish. The name (path) of this header file
- * is also an implementation detail. Do not expect it to persist
- * at the place it is now. Developers are free to move it anywhere
- * anytime at will.
- * @note To ruby-core: remember that this header can be possibly
- * recursively included from extension libraries written in C++.
- * Do not expect for instance `__VA_ARGS__` is always available.
- * We assume C99 for ruby itself but we don't assume languages of
- * extension libraries. They could be written in C++98.
- * @brief Public APIs to provide ::rb_fd_select().
- */
-#include "ruby/3/dosish.h" /* for rb_w32_select */
-#include "ruby/3/attr/nonnull.h"
-#include "ruby/3/attr/pure.h"
-#include "ruby/3/attr/noalias.h"
-#include "ruby/3/dllexport.h"
-#include "ruby/assert.h"
-
-/**@cond INTERNAL_MACRO */
-#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
-/** @endcond */
-
-RUBY3_SYMBOL_EXPORT_BEGIN()
-
-struct timeval;
-
-typedef struct {
- int capa;
- fd_set *fdset;
-} rb_fdset_t;
-
-void rb_fd_init(rb_fdset_t *);
-void rb_fd_term(rb_fdset_t *);
-void rb_fd_set(int, rb_fdset_t *);
-void rb_w32_fd_copy(rb_fdset_t *, const fd_set *, int);
-void rb_w32_fd_dup(rb_fdset_t *dst, const rb_fdset_t *src);
-
-RUBY3_SYMBOL_EXPORT_END()
-
-RUBY3_ATTR_NONNULL(())
-RUBY3_ATTR_NOALIAS()
-static inline void
-rb_fd_zero(rb_fdset_t *f)
-{
- f->fdset->fd_count = 0;
-}
-
-RUBY3_ATTR_NONNULL(())
-static inline void
-rb_fd_clr(int n, rb_fdset_t *f)
-{
- rb_w32_fdclr(n, f->fdset);
-}
-
-RUBY3_ATTR_NONNULL(())
-static inline int
-rb_fd_isset(int n, rb_fdset_t *f)
-{
- return rb_w32_fdisset(n, f->fdset);
-}
-
-RUBY3_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);
-}
-
-RUBY3_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);
-}
-
-RUBY3_ATTR_NONNULL(())
-RUBY3_ATTR_PURE()
-/* :TODO: can this function be __attribute__((returns_nonnull)) or not? */
-static inline fd_set *
-rb_fd_ptr(const rb_fdset_t *f)
-{
- return f->fdset;
-}
-
-RUBY3_ATTR_NONNULL(())
-RUBY3_ATTR_PURE()
-static inline int
-rb_fd_max(const rb_fdset_t *f)
-{
- const fd_set *p = f->fdset;
-
- RUBY3_ASSERT_OR_ASSUME(p);
- return p->fd_count;
-}
-
-#endif /* RUBY3_INTERN_SELECT_WIN32_H */