From ad776537cc6b4b936cfd11893e7b698dfa072666 Mon Sep 17 00:00:00 2001 From: "Liam R. Howlett" Date: Thu, 6 Dec 2007 17:37:59 -0500 Subject: Add mutex_lock_killable Similar to mutex_lock_interruptible, it can be interrupted by a fatal signal only. Signed-off-by: Liam R. Howlett Acked-by: Ingo Molnar Signed-off-by: Matthew Wilcox --- include/linux/mutex.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'include/linux') diff --git a/include/linux/mutex.h b/include/linux/mutex.h index 601479772b98..05c590352dd7 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -125,15 +125,20 @@ static inline int fastcall mutex_is_locked(struct mutex *lock) extern void mutex_lock_nested(struct mutex *lock, unsigned int subclass); extern int __must_check mutex_lock_interruptible_nested(struct mutex *lock, unsigned int subclass); +extern int __must_check mutex_lock_killable_nested(struct mutex *lock, + unsigned int subclass); #define mutex_lock(lock) mutex_lock_nested(lock, 0) #define mutex_lock_interruptible(lock) mutex_lock_interruptible_nested(lock, 0) +#define mutex_lock_killable(lock) mutex_lock_killable_nested(lock, 0) #else extern void fastcall mutex_lock(struct mutex *lock); extern int __must_check fastcall mutex_lock_interruptible(struct mutex *lock); +extern int __must_check fastcall mutex_lock_killable(struct mutex *lock); # define mutex_lock_nested(lock, subclass) mutex_lock(lock) # define mutex_lock_interruptible_nested(lock, subclass) mutex_lock_interruptible(lock) +# define mutex_lock_killable_nested(lock, subclass) mutex_lock_killable(lock) #endif /* -- cgit v1.2.1