diff options
author | Ulrich Drepper <drepper@redhat.com> | 2003-03-12 05:45:00 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2003-03-12 05:45:00 +0000 |
commit | 5a03acfe371193faace69e5517864ba3b9fc2b9f (patch) | |
tree | 7d92152ecdd4461da2692f4fa399609341eac44a /nptl/sysdeps/x86_64/pthread_spin_unlock.S | |
parent | b874af999547ee4e7688fc07710786131eef7d1b (diff) |
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.S | 31 |
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 |