include/linux/spinlock.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef __LINUX_SPINLOCK_H_
0003 #define __LINUX_SPINLOCK_H_
0004
0005 #include <pthread.h>
0006 #include <stdbool.h>
0007
0008 #define spinlock_t      pthread_mutex_t
0009 #define DEFINE_SPINLOCK(x)  pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER
0010 #define __SPIN_LOCK_UNLOCKED(x) (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER
0011 #define spin_lock_init(x)   pthread_mutex_init(x, NULL)
0012
0013 #define spin_lock(x)            pthread_mutex_lock(x)
0014 #define spin_unlock(x)          pthread_mutex_unlock(x)
0015 #define spin_lock_bh(x)         pthread_mutex_lock(x)
0016 #define spin_unlock_bh(x)       pthread_mutex_unlock(x)
0017 #define spin_lock_irq(x)        pthread_mutex_lock(x)
0018 #define spin_unlock_irq(x)      pthread_mutex_unlock(x)
0019 #define spin_lock_irqsave(x, f)     (void)f, pthread_mutex_lock(x)
0020 #define spin_unlock_irqrestore(x, f)    (void)f, pthread_mutex_unlock(x)
0021
0022 #define arch_spinlock_t pthread_mutex_t
0023 #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
0024
0025 static inline void arch_spin_lock(arch_spinlock_t *mutex)
0026 {
0027     pthread_mutex_lock(mutex);
0028 }
0029
0030 static inline void arch_spin_unlock(arch_spinlock_t *mutex)
0031 {
0032     pthread_mutex_unlock(mutex);
0033 }
0034
0035 static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
0036 {
0037     return true;
0038 }
0039
0040 #endif