b=20592

[fs/lustre-release.git] / libcfs / include / libcfs / user-lock.h

diff --git a/libcfs/include/libcfs/user-lock.h b/libcfs/include/libcfs/user-lock.h
index c81c208..958519e 100644 (file)
--- a/libcfs/include/libcfs/user-lock.h
+++ b/libcfs/include/libcfs/user-lock.h
@@ -85,8 +85,9 @@ struct spin_lock {int foo;};
 typedef struct spin_lock spinlock_t;
 
 #define SPIN_LOCK_UNLOCKED (spinlock_t) { }
-#define LASSERT_SPIN_LOCKED(lock) do {} while(0)
-#define LASSERT_SEM_LOCKED(sem) do {} while(0)
+#define LASSERT_SPIN_LOCKED(lock) do {(void)sizeof(lock);} while(0)
+#define LINVRNT_SPIN_LOCKED(lock) do {(void)sizeof(lock);} while(0)
+#define LASSERT_SEM_LOCKED(sem) do {(void)sizeof(sem);} while(0)
 
 void spin_lock_init(spinlock_t *lock);
 void spin_lock(spinlock_t *lock);
@@ -148,8 +149,8 @@ struct completion {
 };
 typedef int (*cfs_wait_handler_t) (int timeout);
 void init_completion_module(cfs_wait_handler_t handler);
+int  call_wait_handler(int timeout);
 void init_completion(struct completion *c);
-void init_completion_module(cfs_wait_handler_t handler);
 void complete(struct completion *c);
 void wait_for_completion(struct completion *c);
 int wait_for_completion_interruptible(struct completion *c);
@@ -236,6 +237,8 @@ typedef struct { volatile int counter; } atomic_t;
 #define atomic_sub(b,a)  do {(a)->counter -= b;} while (0)
 #define atomic_sub_return(n,a) ((a)->counter -= n)
 #define atomic_dec_return(a)  atomic_sub_return(1,a)
+#define atomic_add_unless(v, a, u) ((v)->counter != u ? (v)->counter += a : 0)
+#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
 
 
 #ifdef HAVE_LIBPTHREAD