glibc/signal/sigempty.c
Roland McGrath 5841dad9e3 2002-08-03 Roland McGrath <roland@redhat.com>
* include/signal.h: Use libc_hidden_proto for raise, sigemptyset,
	sigfillset, sigismember, __sigpause, __libc_current_sigrtmin,
	and __libc_current_sigrtmax.
	* signal/sigismem.c: Add libc_hidden_def.
	* signal/sigfillset.c: Likewise.
	* signal/sigempty.c: Likewise.
	* sysdeps/generic/sigpause.c (__sigpause): Likewise.
	* sysdeps/posix/sigpause.c (__sigpause): Likewise.
	* sysdeps/unix/bsd/osf/alpha/sigpause.S: Likewise.
2002-08-03 22:26:02 +00:00

39 lines
1.1 KiB
C

/* Copyright (C) 1991,96,97,2002 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. */
#include <errno.h>
#include <signal.h>
#include <string.h>
/* Clear all signals from SET. */
int
sigemptyset (set)
sigset_t *set;
{
if (set == NULL)
{
__set_errno (EINVAL);
return -1;
}
memset (set, 0, sizeof (sigset_t));
return 0;
}
libc_hidden_def (sigemptyset)