update from main archive 961119

[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / sigsuspend.c

/* Copyright (C) 1996 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 <signal.h>
#include <stddef.h>
#include <unistd.h>

extern int __syscall_sigsuspend (int, unsigned long, unsigned long);

/* 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;
{
  return __syscall_sigsuspend (0, 0, *set);
}
weak_alias (__sigsuspend, sigsuspend)