glibc/sysdeps/unix/mips/wait.S
1995-02-18 01:27:10 +00:00

45 lines
1.1 KiB
ArmAsm

/* Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc.
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 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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <sysdep.h>
.set noreorder
ENTRY(__wait)
/* Prep it for wait. */
move a1, zero
move a2, zero
li v0, SYS_wait
syscall
beq a3, zero, noerror
nop
j syscall_error
nop
noerror:
/* If the arg is not NULL, store v1 there. */
beq a0, zero, noarg
nop
sw v1, 0(a0)
nop
noarg:
ret
weak_alias (__wait, wait)