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| author | Liam R. Howlett <howlett@gmail.com> | 2007-12-06 17:37:59 -0500 |
|---|---|---|
| committer | Matthew Wilcox <willy@linux.intel.com> | 2007-12-06 17:37:59 -0500 |
| commit | ad776537cc6b4b936cfd11893e7b698dfa072666 (patch) | |
| tree | b553f03f34ce8750150765755abaaec27943fa0d /include/linux/mutex.h | |
| parent | 0b94e97a25d9b06ef17fca8da23169200bead1e2 (diff) | |
| download | lwn-ad776537cc6b4b936cfd11893e7b698dfa072666.tar.gz lwn-ad776537cc6b4b936cfd11893e7b698dfa072666.zip | |
Add mutex_lock_killable
Similar to mutex_lock_interruptible, it can be interrupted by a fatal
signal only.
Signed-off-by: Liam R. Howlett <howlett@gmail.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Diffstat (limited to 'include/linux/mutex.h')
| -rw-r--r-- | include/linux/mutex.h | 5 |
1 files changed, 5 insertions, 0 deletions
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 /* |