mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
a88c926368
2003-02-05 Ulrich Drepper <drepper@redhat.com> * sysdeps/pthread/bits/libc-lock.h (__libc_once): Set control variable for non-libpthread case to the same value the pthread_once function would use.
34 lines
1.3 KiB
C
34 lines
1.3 KiB
C
/* Copyright (C) 2003 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003.
|
|
|
|
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. */
|
|
|
|
/* Ugly hack to avoid the declaration of pthread_spin_init. */
|
|
#define pthread_spin_init pthread_spin_init_XXX
|
|
#include "pthreadP.h"
|
|
#undef pthread_spin_init
|
|
|
|
int
|
|
pthread_spin_unlock (pthread_spinlock_t *lock)
|
|
{
|
|
__asm __volatile (" xc %O0(4,%R0),%0\n"
|
|
" bcr 15,0"
|
|
: "=Q" (*lock) : "m" (*lock) : "cc" );
|
|
return 0;
|
|
}
|
|
strong_alias (pthread_spin_unlock, pthread_spin_init)
|