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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-09-03 10:27:16 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-09-04 13:26:17 +0200 |
| commit | dafa5d88435853809040761b79ab9d8f2217281b (patch) | |
| tree | 35d9d87cbe8d00279cc3fa905792569937ed7fea /cpukit/score/src/mutex.c | |
| parent | score: Implement SMP-specific priority queue (diff) | |
| download | rtems-dafa5d88435853809040761b79ab9d8f2217281b.tar.bz2 | |
score: Implement priority boosting
Diffstat (limited to 'cpukit/score/src/mutex.c')
| -rw-r--r-- | cpukit/score/src/mutex.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/cpukit/score/src/mutex.c b/cpukit/score/src/mutex.c index ae637dda84..f03bab76ee 100644 --- a/cpukit/score/src/mutex.c +++ b/cpukit/score/src/mutex.c @@ -112,9 +112,7 @@ static void _Mutex_Acquire_slow( ISR_lock_Context *lock_context ) { - /* Priority inheritance */ - _Thread_Raise_priority( owner, executing->current_priority ); - + _Thread_Inherit_priority( owner, executing ); _Thread_queue_Enqueue_critical( &mutex->Queue.Queue, MUTEX_TQ_OPERATIONS, @@ -136,15 +134,22 @@ static void _Mutex_Release_slow( { if (heads != NULL) { const Thread_queue_Operations *operations; - Thread_Control *first; + Thread_Control *first; + bool unblock; operations = MUTEX_TQ_OPERATIONS; first = ( *operations->first )( heads ); mutex->owner = first; - _Thread_queue_Extract_critical( + unblock = _Thread_queue_Extract_locked( &mutex->Queue.Queue, operations, + first + ); + _Thread_queue_Boost_priority( &mutex->Queue.Queue, first ); + _Thread_queue_Unblock_critical( + unblock, + &mutex->Queue.Queue, first, lock_context ); |