X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=wrapper%2Fspinlock.h;h=b3570d4080b0ceed82df1a99541bec2c164717c6;hb=c6b2e60db40fdc2d116620ee6fbc103c12b72933;hp=af00ef2879e2b8043e255ad5feb7828ce5b0afa0;hpb=a181050f402c41239e5537b89c66e0349af65d61;p=lttng-modules.git diff --git a/wrapper/spinlock.h b/wrapper/spinlock.h index af00ef28..b3570d40 100644 --- a/wrapper/spinlock.h +++ b/wrapper/spinlock.h @@ -1,23 +1,34 @@ -#ifndef _LTT_WRAPPER_SPINLOCK_H -#define _LTT_WRAPPER_SPINLOCK_H - -/* - * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com) +/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) + * + * wrapper/spinlock.h * - * Dual LGPL v2.1/GPL v2 license. + * Copyright (C) 2011-2012 Mathieu Desnoyers */ +#ifndef _LTTNG_WRAPPER_SPINLOCK_H +#define _LTTNG_WRAPPER_SPINLOCK_H + #include #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)) -#define raw_spin_lock_init(lock) \ - do { \ - *(lock) = __RAW_SPIN_LOCK_UNLOCKED(lock); \ +#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) spin_is_locked(lock) +#define raw_spin_is_locked(lock) __raw_spin_is_locked(lock) + +#define wrapper_desc_spin_lock(lock) spin_lock(lock) +#define wrapper_desc_spin_unlock(lock) spin_unlock(lock) + +#else +#define wrapper_desc_spin_lock(lock) raw_spin_lock(lock) +#define wrapper_desc_spin_unlock(lock) raw_spin_unlock(lock) #endif -#endif /* _LTT_WRAPPER_SPINLOCK_H */ +#endif /* _LTTNG_WRAPPER_SPINLOCK_H */