1 #ifndef _LTTNG_WRAPPER_SPINLOCK_H
2 #define _LTTNG_WRAPPER_SPINLOCK_H
7 * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; only
12 * version 2.1 of the License.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 #include <linux/version.h>
26 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33))
28 #include <linux/string.h>
30 #define raw_spin_lock_init(lock) \
32 raw_spinlock_t __lock = __RAW_SPIN_LOCK_UNLOCKED; \
33 memcpy(lock, &__lock, sizeof(lock)); \
36 #define raw_spin_is_locked(lock) __raw_spin_is_locked(lock)
38 #define wrapper_desc_spin_lock(lock) spin_lock(lock)
39 #define wrapper_desc_spin_unlock(lock) spin_unlock(lock)
43 #define wrapper_desc_spin_lock(lock) raw_spin_lock(lock)
44 #define wrapper_desc_spin_unlock(lock) raw_spin_unlock(lock)
47 #endif /* _LTTNG_WRAPPER_SPINLOCK_H */
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