blob: 920c924c9c515831cfe1b810d78d1c905a25e733 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* Copyright (C) 1997-2018 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 ();
|
