glibc/sysdeps/unix/bsd/sigsuspend.c
Ulrich Drepper 2b25f93f7a Update.
1998-07-20  Jose M. Moya  <josem@gnu.org>

	* hurd/hurdmsg.c (_S_msg_get_env_variable): Copy getenv return
	value.

1998-07-20  Roland McGrath  <roland@baalperazim.frob.com>

	* sysdeps/mach/hurd/getdomain.c: New file.
	* sysdeps/mach/hurd/setdomain.c: New file.

1998-07-20  Roland McGrath  <roland@baalperazim.frob.com>

	* sysdeps/unix/bsd/sigsuspend.c: Define __sigsuspend with sigsuspend as
	a weak alias.
1998-07-21 10:36:59 +00:00

48 lines
1.4 KiB
C

/* Copyright (C) 1991, 1996, 1997, 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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 <stddef.h>
#include <unistd.h>
/* Change the set of blocked signals to SET,
wait until a signal arrives, and restore the set of blocked signals. */
int
__sigsuspend (set)
const sigset_t *set;
{
int mask;
int sig;
if (set == NULL)
{
__set_errno (EINVAL);
return -1;
}
mask = 0;
for (sig = 1; sig <= NSIG; ++sig)
if (__sigismember (set, sig))
mask |= sigmask (sig);
return __sigpause (mask, 0);
}
weak_alias (__sigsuspend, sigsuspend)