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| author |   Randy Dunlap <randy.dunlap@oracle.com> | 2010-09-02 15:48:16 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2010-09-03 08:19:51 +0200 |
| commit | ef5dc121d5a0bb1fa477c5395277259f07d318a3 (patch) | |
| tree | 5af1d24406aa014eed72f07097316ba6f7d0d04f /include/linux/mutex.h | |
| parent | pid: make setpgid() system call use RCU read-side critical section (diff) | |
| download | linux-dev-ef5dc121d5a0bb1fa477c5395277259f07d318a3.tar.xz linux-dev-ef5dc121d5a0bb1fa477c5395277259f07d318a3.zip | |
mutex: Fix annotations to include it in kernel-locking docbook
Fix kernel-doc notation in linux/mutex.h and kernel/mutex.c,
then add these 2 files to the kernel-locking docbook as the
Mutex API reference chapter.
Add one API function to mutex-design.txt and correct a typo in
that file.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
LKML-Reference: <20100902154816.6cc2f9ad.randy.dunlap@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/mutex.h')
| -rw-r--r-- | include/linux/mutex.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h index 878cab4f5fcc..f363bc8fdc74 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -78,6 +78,14 @@ struct mutex_waiter { # include <linux/mutex-debug.h> #else # define __DEBUG_MUTEX_INITIALIZER(lockname) +/** + * mutex_init - initialize the mutex + * @mutex: the mutex to be initialized + * + * Initialize the mutex to unlocked state. + * + * It is not allowed to initialize an already locked mutex. + */ # define mutex_init(mutex) \ do { \ static struct lock_class_key __key; \ |