patch-2.3.41 linux/include/asm-i386/semaphore.h

• Lines: 20
• Date: Fri Jan 28 08:01:07 2000
• Orig file: v2.3.40/linux/include/asm-i386/semaphore.h
• Orig date: Thu Jan 6 12:57:48 2000

diff -u --recursive --new-file v2.3.40/linux/include/asm-i386/semaphore.h linux/include/asm-i386/semaphore.h
@@ -238,10 +238,17 @@
 #define __RWSEM_DEBUG_INIT	/* */
 #endif
 
-#define __RWSEM_INITIALIZER(name) \
-{ ATOMIC_INIT(RW_LOCK_BIAS), 0, 0, 0, 0, __WAIT_QUEUE_HEAD_INITIALIZER((name).wait), \
+#define __RWSEM_INITIALIZER(name,count) \
+{ ATOMIC_INIT(count), 0, 0, 0, 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)
 {