search for: is_contended

...semaphore *rwsem_down_read_failed(struct rw_semaphore *sem); extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem); extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *); extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem); +extern int rwsem_is_contended(struct rw_semaphore *sem); /* Include the arch specific part */ #include <asm/rwsem.h> diff --git a/lib/rwsem.c b/lib/rwsem.c index 19c5fa9..20858cd 100644 --- a/lib/rwsem.c +++ b/lib/rwsem.c @@ -287,6 +287,23 @@ struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem) return...