diff options
Diffstat (limited to 'include/asm-sparc64/semaphore.h')
| -rw-r--r-- | include/asm-sparc64/semaphore.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/asm-sparc64/semaphore.h b/include/asm-sparc64/semaphore.h index 046385d3c..1d7b0e31c 100644 --- a/include/asm-sparc64/semaphore.h +++ b/include/asm-sparc64/semaphore.h @@ -253,11 +253,18 @@ struct rw_semaphore { #define __RWSEM_DEBUG_INIT /* */ #endif -#define __RWSEM_INITIALIZER(name) \ -{ RW_LOCK_BIAS, 0, __WAIT_QUEUE_HEAD_INITIALIZER((name).wait), \ +#define __RWSEM_INITIALIZER(name,count) \ +{ (count), 0, __WAIT_QUEUE_HEAD_INITIALIZER((name).wait), \ __WAIT_QUEUE_HEAD_INITIALIZER((name).write_bias_wait) \ __SEM_DEBUG_INIT(name) __RWSEM_DEBUG_INIT } +#define __DECLARE_RWSEM_GENERIC(name,count) \ + struct rw_semaphore name = __RWSEM_INITIALIZER(name,count) + +#define DECLARE_RWSEM(name) __DECLARE_RWSEM_GENERIC(name,RW_LOCK_BIAS) +#define DECLARE_RWSEM_READ_LOCKED(name) __DECLARE_RWSEM_GENERIC(name,RW_LOCK_BIAS-1) +#define DECLARE_RWSEM_WRITE_LOCKED(name) __DECLARE_RWSEM_GENERIC(name,0) + extern inline void init_rwsem(struct rw_semaphore *sem) { sem->count = RW_LOCK_BIAS; |