Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 |
David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 11 | #define spin_lock_init(x) pthread_mutex_init(x, NULL) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 12 | |
David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 13 | #define spin_lock(x) pthread_mutex_lock(x) |
| 14 | #define spin_unlock(x) pthread_mutex_unlock(x) |
| 15 | #define spin_lock_bh(x) pthread_mutex_lock(x) |
| 16 | #define spin_unlock_bh(x) pthread_mutex_unlock(x) |
| 17 | #define spin_lock_irq(x) pthread_mutex_lock(x) |
| 18 | #define spin_unlock_irq(x) pthread_mutex_unlock(x) |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 19 | #define spin_lock_irqsave(x, f) (void)f, pthread_mutex_lock(x) |
| 20 | #define spin_unlock_irqrestore(x, f) (void)f, pthread_mutex_unlock(x) |
| 21 | |
| 22 | #define arch_spinlock_t pthread_mutex_t |
| 23 | #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER |
| 24 | |
| 25 | static inline void arch_spin_lock(arch_spinlock_t *mutex) |
| 26 | { |
| 27 | pthread_mutex_lock(mutex); |
| 28 | } |
| 29 | |
| 30 | static inline void arch_spin_unlock(arch_spinlock_t *mutex) |
| 31 | { |
| 32 | pthread_mutex_unlock(mutex); |
| 33 | } |
| 34 | |
| 35 | static inline bool arch_spin_is_locked(arch_spinlock_t *mutex) |
| 36 | { |
| 37 | return true; |
| 38 | } |
| 39 | |
David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 40 | #include <linux/lockdep.h> |
| 41 | |
Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 42 | #endif |