summaryrefslogtreecommitdiff
path: root/gnu/usr.bin/binutils/libiberty/sigsetmask.c
blob: 2a09e6a6c5ac5bc32aa6ef319427c17e5eaa625c (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
/* Version of sigsetmask.c
   Written by Steve Chamberlain (sac@cygnus.com).
   Contributed by Cygnus Support.
   This file is in the public doamin. */

/* Set the current signal mask to the set provided, and return the 
   previous value */

#define _POSIX_SOURCE
#include <ansidecl.h>
/* Including <sys/types.h> seems to be needed by ISC. */
#include <sys/types.h>
#include <signal.h>

#ifdef SIG_SETMASK
int
DEFUN(sigsetmask,(set),
      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