diff options
Diffstat (limited to 'mach/lock-intern.h')
| -rw-r--r-- | mach/lock-intern.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/mach/lock-intern.h b/mach/lock-intern.h index af28c3ff8f..f8874c7561 100644 --- a/mach/lock-intern.h +++ b/mach/lock-intern.h @@ -28,11 +28,15 @@ /* Initialize LOCK. */ +extern void __spin_lock_init (__spin_lock_t *__lock); + +#if defined __USE_EXTERN_INLINES && defined _LIBC _EXTERN_INLINE void __spin_lock_init (__spin_lock_t *__lock) { *__lock = __SPIN_LOCK_INITIALIZER; } +#endif /* Lock LOCK, blocking if we can't get it. */ @@ -40,12 +44,16 @@ extern void __spin_lock_solid (__spin_lock_t *__lock); /* Lock the spin lock LOCK. */ +extern void __spin_lock (__spin_lock_t *__lock); + +#if defined __USE_EXTERN_INLINES && defined _LIBC _EXTERN_INLINE void __spin_lock (__spin_lock_t *__lock) { if (! __spin_try_lock (__lock)) __spin_lock_solid (__lock); } +#endif /* Name space-clean internal interface to mutex locks. @@ -70,27 +78,39 @@ extern void __mutex_unlock_solid (void *__lock); /* Lock the mutex lock LOCK. */ +extern void __mutex_lock (void *__lock); + +#if defined __USE_EXTERN_INLINES && defined _LIBC _EXTERN_INLINE void __mutex_lock (void *__lock) { if (! __spin_try_lock ((__spin_lock_t *) __lock)) __mutex_lock_solid (__lock); } +#endif /* Unlock the mutex lock LOCK. */ +extern void __mutex_unlock (void *__lock); + +#if defined __USE_EXTERN_INLINES && defined _LIBC _EXTERN_INLINE void __mutex_unlock (void *__lock) { __spin_unlock ((__spin_lock_t *) __lock); __mutex_unlock_solid (__lock); } +#endif +extern int __mutex_trylock (void *__lock); + +#if defined __USE_EXTERN_INLINES && defined _LIBC _EXTERN_INLINE int __mutex_trylock (void *__lock) { return __spin_try_lock ((__spin_lock_t *) __lock); } +#endif #endif /* lock-intern.h */ |