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[glibc/history.git] / sysdeps / unix / common / pause.c
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1 /* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #include <signal.h>
20 #include <unistd.h>
23 /* Suspend the process until a signal arrives.
24 This always returns -1 and sets errno to EINTR. */
26 int
27 __libc_pause (void)
29 return __sigpause (__sigblock (0), 0);
31 weak_alias (__libc_pause, pause)