Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-microblaze.git] / tools / include / linux / spinlock.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_SPINLOCK_H_
3 #define __LINUX_SPINLOCK_H_
4
5 #include <pthread.h>
6 #include <stdbool.h>
7
8 #define spinlock_t              pthread_mutex_t
9 #define DEFINE_SPINLOCK(x)      pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER
10 #define __SPIN_LOCK_UNLOCKED(x) (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER
11 #define spin_lock_init(x)      pthread_mutex_init(x, NULL)
12
13 #define spin_lock_irqsave(x, f)         (void)f, pthread_mutex_lock(x)
14 #define spin_unlock_irqrestore(x, f)    (void)f, pthread_mutex_unlock(x)
15
16 #define arch_spinlock_t pthread_mutex_t
17 #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
18
19 static inline void arch_spin_lock(arch_spinlock_t *mutex)
20 {
21         pthread_mutex_lock(mutex);
22 }
23
24 static inline void arch_spin_unlock(arch_spinlock_t *mutex)
25 {
26         pthread_mutex_unlock(mutex);
27 }
28
29 static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
30 {
31         return true;
32 }
33
34 #endif