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Linux/tools/include/linux/spinlock.h

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Diff markup

Differences between /tools/include/linux/spinlock.h (Version linux-6.11.5) and /tools/include/linux/spinlock.h (Version linux-4.14.336)


  1 /* SPDX-License-Identifier: GPL-2.0 */              1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef __LINUX_SPINLOCK_H_                         2 #ifndef __LINUX_SPINLOCK_H_
  3 #define __LINUX_SPINLOCK_H_                         3 #define __LINUX_SPINLOCK_H_
  4                                                     4 
  5 #include <pthread.h>                                5 #include <pthread.h>
  6 #include <stdbool.h>                                6 #include <stdbool.h>
  7                                                     7 
  8 #define spinlock_t              pthread_mutex_      8 #define spinlock_t              pthread_mutex_t
  9 #define DEFINE_SPINLOCK(x)      pthread_mutex_ !!   9 #define DEFINE_SPINLOCK(x)      pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER;
 10 #define __SPIN_LOCK_UNLOCKED(x) (pthread_mutex << 
 11 #define spin_lock_init(x)       pthread_mutex_ << 
 12                                                    10 
 13 #define spin_lock(x)                    pthrea << 
 14 #define spin_lock_nested(x, subclass)   pthrea << 
 15 #define spin_unlock(x)                  pthrea << 
 16 #define spin_lock_bh(x)                 pthrea << 
 17 #define spin_unlock_bh(x)               pthrea << 
 18 #define spin_lock_irq(x)                pthrea << 
 19 #define spin_unlock_irq(x)              pthrea << 
 20 #define spin_lock_irqsave(x, f)         (void)     11 #define spin_lock_irqsave(x, f)         (void)f, pthread_mutex_lock(x)
 21 #define spin_unlock_irqrestore(x, f)    (void)     12 #define spin_unlock_irqrestore(x, f)    (void)f, pthread_mutex_unlock(x)
 22                                                    13 
 23 #define arch_spinlock_t pthread_mutex_t            14 #define arch_spinlock_t pthread_mutex_t
 24 #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTE     15 #define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
 25                                                    16 
 26 static inline void arch_spin_lock(arch_spinloc     17 static inline void arch_spin_lock(arch_spinlock_t *mutex)
 27 {                                                  18 {
 28         pthread_mutex_lock(mutex);                 19         pthread_mutex_lock(mutex);
 29 }                                                  20 }
 30                                                    21 
 31 static inline void arch_spin_unlock(arch_spinl     22 static inline void arch_spin_unlock(arch_spinlock_t *mutex)
 32 {                                                  23 {
 33         pthread_mutex_unlock(mutex);               24         pthread_mutex_unlock(mutex);
 34 }                                                  25 }
 35                                                    26 
 36 static inline bool arch_spin_is_locked(arch_sp     27 static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
 37 {                                                  28 {
 38         return true;                               29         return true;
 39 }                                                  30 }
 40                                                    31 
 41 #endif                                             32 #endif
 42                                                    33 

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