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
61
|
/* Copyright (C) 1991,92,94-98,2000,2002,2003,2004
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define __UCLIBC_HIDE_DEPRECATED__
/* psm: need the BSD version of sigpause here */
#include <errno.h>
#define __FAVOR_BSD
#include <signal.h>
#include <stddef.h> /* For NULL. */
#include <string.h>
#include "sigset-cvt-mask.h"
/* Set the mask of blocked signals to MASK,
wait for a signal to arrive, and then restore the mask. */
int __sigpause (int sig_or_mask, int is_sig)
{
sigset_t set;
if (is_sig)
{
/* The modern X/Open implementation is requested. */
sigprocmask (SIG_BLOCK, NULL, &set);
/* Bound-check sig_or_mask, remove it from the set. */
if (sigdelset (&set, sig_or_mask) < 0)
return -1;
}
else
sigset_set_old_mask (&set, sig_or_mask);
return sigsuspend (&set);
}
libc_hidden_def(__sigpause)
#undef sigpause
/* We have to provide a default version of this function since the
standards demand it. The version which is a bit more reasonable is
the BSD version. So make this the default. */
int sigpause (int mask)
{
return __sigpause (mask, 0);
}
libc_hidden_def(sigpause)
|
