lupyuen/local-nuttx-update
1
0
Fork 0
forked from nuttx/nuttx-update
Code Pull requests Activity

Comments updated

Browse source 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@755 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2008-05-31 18:14:02 +00:00
parent 62d058a834
commit 9a18c880a1
1 changed files with 8 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
sched/pthread_mutexunlock.c
View file

@ -73,7 +73,14 @@
* Function: pthread_mutex_unlock
*
* Description:
* Unlock a mutex.
* The pthread_mutex_unlock() function releases the mutex object referenced
* by mutex. The manner in which a mutex is released is dependent upon the
* mutex's type attribute. If there are threads blocked on the mutex object
* referenced by mutex when pthread_mutex_unlock() is called, resulting in
* the mutex becoming available, the scheduling policy is used to determine
* which thread shall acquire the mutex. (In the case of PTHREAD_MUTEX_RECURSIVE
* mutexes, the mutex becomes available when the count reaches zero and the
* calling thread no longer has any locks on this mutex).
*
* If a signal is delivered to a thread waiting for a mutex, upon return from
* the signal handler the thread resumes waiting for the mutex as if it was