tools/virtio/linux/spinlock.h

   1 #ifndef SPINLOCK_H_STUB
   2 #define SPINLOCK_H_STUB
   3
   4 #include <pthread.h>
   5
   6 typedef pthread_spinlock_t  spinlock_t;
   7
   8 static inline void spin_lock_init(spinlock_t *lock)
   9 {
  10         int r = pthread_spin_init(lock, 0);
  11         assert(!r);
  12 }
  13
  14 static inline void spin_lock(spinlock_t *lock)
  15 {
  16         int ret = pthread_spin_lock(lock);
  17         assert(!ret);
  18 }
  19
  20 static inline void spin_unlock(spinlock_t *lock)
  21 {
  22         int ret = pthread_spin_unlock(lock);
  23         assert(!ret);
  24 }
  25
  26 static inline void spin_lock_bh(spinlock_t *lock)
  27 {
  28         spin_lock(lock);
  29 }
  30
  31 static inline void spin_unlock_bh(spinlock_t *lock)
  32 {
  33         spin_unlock(lock);
  34 }
  35
  36 static inline void spin_lock_irq(spinlock_t *lock)
  37 {
  38         spin_lock(lock);
  39 }
  40
  41 static inline void spin_unlock_irq(spinlock_t *lock)
  42 {
  43         spin_unlock(lock);
  44 }
  45
  46 static inline void spin_lock_irqsave(spinlock_t *lock, unsigned long f)
  47 {
  48         spin_lock(lock);
  49 }
  50
  51 static inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long f)
  52 {
  53         spin_unlock(lock);
  54 }
  55
  56 #endif