blob: c44455bbff910168fb69847fc60859b54c62dbc7 (
plain) (
blame)
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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/* Copyright (C) 1996-2015 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 <errno.h>
#include <signal.h>
#include <unistd.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
static inline int __attribute__ ((always_inline))
do_sigsuspend (const sigset_t *set)
{
return INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8);
}
/* Change the set of blocked signals to SET,
wait until a signal arrives, and restore the set of blocked signals. */
int
__sigsuspend (set)
const sigset_t *set;
{
if (SINGLE_THREAD_P)
return do_sigsuspend (set);
int oldtype = LIBC_CANCEL_ASYNC ();
int result = do_sigsuspend (set);
LIBC_CANCEL_RESET (oldtype);
return result;
}
libc_hidden_def (__sigsuspend)
weak_alias (__sigsuspend, sigsuspend)
strong_alias (__sigsuspend, __libc_sigsuspend)
#ifndef NO_CANCELLATION
int
__sigsuspend_nocancel (set)
const sigset_t *set;
{
return do_sigsuspend (set);
}
#endif
|
