/* Spin locks. Mach version. Copyright (C) 2002-2018 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, see . */ #include /* In glibc. */ extern void __spin_lock_solid (__spin_lock_t *lock); /* Lock the spin lock object LOCK. If the lock is held by another thread spin until it becomes available. */ int _pthread_spin_lock (__spin_lock_t *lock) { __spin_lock_solid (lock); return 0; }