blob: 2df96fca9478ba897024aabf3afd47739dfa1673 (
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
|
/* Version of sigsetmask.c
Written by Steve Chamberlain (sac@cygnus.com).
Contributed by Cygnus Support.
This file is in the public doamin. */
/*
@deftypefn Supplemental int sigsetmask (int @var{set})
Sets the signal mask to the one provided in @var{set} and returns
the old mask (which, for libiberty's implementation, will always
be the value @code{1}).
@end deftypefn
*/
#define _POSIX_SOURCE
#include <ansidecl.h>
/* Including <sys/types.h> seems to be needed by ISC. */
#include <sys/types.h>
#include <signal.h>
extern void abort (void) ATTRIBUTE_NORETURN;
#ifdef SIG_SETMASK
int
sigsetmask (int set)
{
sigset_t new;
sigset_t old;
sigemptyset (&new);
if (set != 0) {
abort(); /* FIXME, we don't know how to translate old mask to new */
}
sigprocmask(SIG_SETMASK, &new, &old);
return 1; /* FIXME, we always return 1 as old value. */
}
#endif
|
