glibc/sysdeps/unix/mips/wait.S

48 lines
1.2 KiB
ArmAsm

/* Copyright (C) 1992, 1994, 1995, 1997, 2002, 2003
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Brendan Kehoe (brendan@zen.org).
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 <sysdep.h>
.set noreorder
ENTRY(__wait)
/* Prep it for wait. */
move a1, zero
move a2, zero
li v0, SYS_wait
syscall
beqz a3, L(noerror)
nop
j __syscall_error
nop
L(noerror):
/* If the arg is not NULL, store v1 there. */
beqz a0, L(noarg)
nop
sw v1, 0(a0)
nop
L(noarg):
ret
.end __wait
weak_alias (__wait, wait)