glibc/nptl/sysdeps/sh/pthread_spin_trylock.S
Roland McGrath 326132dbdb 2003-03-12 Roland McGrath <roland@redhat.com>
* pthread-errnos.sym: New file.
	* Makefile (gen-as-const-headers): New variable, list that file.
	* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Include generated
	header <pthread-errnos.h> instead of defining errno values here.
	* sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S:
	Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S:
	Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/lowlevelmutex.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_post.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Likewise.
	* sysdeps/unix/sysv/linux/sh/sem_trywait.S: Likewise.
	* sysdeps/unix/sysv/linux/sh/sem_timedwait.S: Likewise.
	* sysdeps/unix/sysv/linux/sh/sem_post.S: Likewise.
	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Likewise.
	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: Likewise.
	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: Likewise.
	* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Likewise.
	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Likewise.
	* sysdeps/unix/sysv/linux/sh/lowlevellock.S: Likewise.
	* sysdeps/i386/i486/pthread_spin_trylock.S: Likewise.
	* sysdeps/x86_64/pthread_spin_trylock.S: Likewise.
	* sysdeps/sh/pthread_spin_trylock.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: Likewise.
2003-03-12 10:28:07 +00:00

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ArmAsm

/* Copyright (C) 2003 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <pthread-errnos.h>
.globl pthread_spin_trylock
.type pthread_spin_trylock,@function
.align 5
pthread_spin_trylock:
tas.b @r4
bf/s 1f
mov #EBUSY, r0
mov #0, r0
1:
rts
nop
.size pthread_spin_trylock,.-pthread_spin_trylock