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-rw-r--r--include/linux/rwsem.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 9d70e6e2..f851d6a2 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -19,6 +19,7 @@ static inline void init_rwsem(struct rw_semaphore *lock)
}
#define down_read(l) pthread_rwlock_rdlock(&(l)->lock)
+#define down_read_killable(l) (pthread_rwlock_rdlock(&(l)->lock), 0)
#define down_read_trylock(l) (!pthread_rwlock_tryrdlock(&(l)->lock))
#define up_read(l) pthread_rwlock_unlock(&(l)->lock)