glibc/sysdeps/unix/i386/wait.S
2012-02-09 23:18:22 +00:00

29 lines
1.1 KiB
ArmAsm

/* Copyright (C) 1991,92,93,95,97,2002 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, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
SYSCALL__ (wait, 1)
movl 4(%esp), scratch /* Put status pointer in scratch register. */
testl scratch, scratch /* Is it non-nil? */
je null
movl r1, (scratch) /* Yes; store the status there. */
null: ret
PSEUDO_END (__wait)
weak_alias (__wait, wait)