glibc/nptl/sysdeps/x86_64/pthread_spin_unlock.S
Ulrich Drepper 5a03acfe37 Update.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Fix asm syntax.
	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/pthread_once.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_post.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Likewise.

	* sysdeps/x86_64/tls.h (THREAD_SELF, THREAD_GETMEM, THREAD_GETMEM_NC,
	THREAD_SETMEM, THREAD_SETMEM_NC): Correct asm syntax.

	* allocatestack.c [! TLS_MULTIPLE_THREADS_IN_TCB] (allocate_stack):
	Initialize *__libc_multiple_threads_ptr not __libc_multiple_threads.
	* sysdeps/pthread/createthread.c [! TLS_MULTIPLE_THREADS_IN_TCB]
	(create_thread): Likewise.
	Define __pthread_multiple_threads and __libc_multiple_threads_ptr.
	* init.c (__pthread_initialize_minimal_internal): Initialize
	__libc_multiple_threads_ptr if necessary.
	* pthreadP.h: Adjust prototype for __libc_pthread_init.  Declare
	__pthread_multiple_threads and __libc_multiple_threads_ptr.
	* sysdeps/unix/sysv/linux/libc_pthread_init.c: Define
	__libc_multiple_threads.
	(__libc_pthread_init): Return pointer to __libc_pthread_init if
	necessary.

	* sysdeps/i386/tls.h (THREAD_SETMEM): Fix one-byte variant.
	(THREAD_SETMEM_NC): Likewise.

	* sysdeps/x86_64/pthread_spin_trylock.c: Removed.
	* sysdeps/x86_64/pthread_spin_trylock.S: New file.
	* sysdeps/x86_64/pthread_spin_unlock.c: Removed.
	* sysdeps/x86_64/pthread_spin_unlock.S: New file.

	* sysdeps/i386/i486/pthread_spin_trylock.S (pthread_spin_trylock):
	Eliminate one entire instruction.
2003-03-12 05:45:00 +00:00

32 lines
1.2 KiB
ArmAsm

/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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. */
.globl pthread_spin_unlock
.type pthread_spin_unlock,@function
.align 16
pthread_spin_unlock:
movl $1, (%rdi)
xorl %eax, %eax
retq
.size pthread_spin_unlock,.-pthread_spin_unlock
/* The implementation of pthread_spin_init is identical. */
.globl pthread_spin_init
pthread_spin_init = pthread_spin_unlock