X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=wrapper%2Fspinlock.h;h=fdeb91a4d1c58f7289b677cccef9cb44ed2b5a59;hb=886d51a3d7ed5fa6b41d7f19b3e14ae6c535a44c;hp=e38d3891216cc8a81272755fe32e951e78f27321;hpb=dce93417cb84aac112fbd37f3467973d7cc39b6a;p=lttng-modules.git diff --git a/wrapper/spinlock.h b/wrapper/spinlock.h index e38d3891..fdeb91a4 100644 --- a/wrapper/spinlock.h +++ b/wrapper/spinlock.h @@ -1,23 +1,40 @@ -#ifndef _LTT_WRAPPER_SPINLOCK_H -#define _LTT_WRAPPER_SPINLOCK_H +#ifndef _LTTNG_WRAPPER_SPINLOCK_H +#define _LTTNG_WRAPPER_SPINLOCK_H /* - * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com) + * wrapper/spinlock.h * - * Dual LGPL v2.1/GPL v2 license. + * Copyright (C) 2011-2012 Mathieu Desnoyers + * + * This 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; only + * version 2.1 of the License. + * + * This 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 this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)) -#define raw_spin_lock_init(lock) \ - do { \ - *(lock) = __RAW_SPIN_LOCK_UNLOCKED; \ +#include + +#define raw_spin_lock_init(lock) \ + do { \ + raw_spinlock_t __lock = __RAW_SPIN_LOCK_UNLOCKED; \ + memcpy(lock, &__lock, sizeof(lock)); \ } while (0) #define raw_spin_is_locked(lock) __raw_spin_is_locked(lock) #endif -#endif /* _LTT_WRAPPER_SPINLOCK_H */ +#endif /* _LTTNG_WRAPPER_SPINLOCK_H */