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/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <signal.h>
#include <sysdep-cancel.h>
#include <errno.h>
int
__sigwait (const sigset_t *set, int *sig)
{
siginfo_t si;
int ret;
do
ret = __sigtimedwait (set, &si, 0);
/* Applications do not expect sigwait to return with EINTR, and the
error code is not specified by POSIX. */
while (ret < 0 && errno == EINTR);
if (ret < 0)
return errno;
*sig = si.si_signo;
return 0;
}
libc_hidden_def (__sigwait)
weak_alias (__sigwait, sigwait)
strong_alias (__sigwait, __libc_sigwait)
/* __sigtimedwait handles cancellation. */
LIBC_CANCEL_HANDLED ();
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