45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/* Version of sigsetmask.c
|
|
Copyright 1991, 1992 Free Software Foundation, Inc.
|
|
Written by Steve Chamberlain (sac@cygnus.com).
|
|
Contributed by Cygnus Support.
|
|
|
|
This file is part of the libiberty library.
|
|
Libiberty is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
Libiberty 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with libiberty; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
/* Set the current signal mask to the set provided, and return the
|
|
previous value */
|
|
|
|
#define _POSIX_SOURCE
|
|
#include <ansidecl.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
|