/* Copyright (C) 2006 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, see . */ #include "pthreadP.h" int pthread_spin_init (pthread_spinlock_t *lock, int pshared) { int tmp = 0; /* This should be a memory barrier to newer compilers */ __asm__ __volatile__ ("stw,ma %1,0(%0)" : : "r" (lock), "r" (tmp) : "memory"); return 0; }