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authorUlrich Drepper <drepper@redhat.com>2003-03-12 05:45:00 +0000
committerUlrich Drepper <drepper@redhat.com>2003-03-12 05:45:00 +0000
commit5a03acfe371193faace69e5517864ba3b9fc2b9f (patch)
tree7d92152ecdd4461da2692f4fa399609341eac44a /nptl/sysdeps/x86_64/pthread_spin_unlock.S
parentb874af999547ee4e7688fc07710786131eef7d1b (diff)
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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.
Diffstat (limited to 'nptl/sysdeps/x86_64/pthread_spin_unlock.S')
-rw-r--r--nptl/sysdeps/x86_64/pthread_spin_unlock.S31
1 files changed, 31 insertions, 0 deletions
diff --git a/nptl/sysdeps/x86_64/pthread_spin_unlock.S b/nptl/sysdeps/x86_64/pthread_spin_unlock.S
new file mode 100644
index 0000000000..d3e13bde98
--- /dev/null
+++ b/nptl/sysdeps/x86_64/pthread_spin_unlock.S
@@ -0,0 +1,31 @@
+/* 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