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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-06-05 11:48:57 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-06-07 17:06:43 +0200 |
| commit | 2d2352bab92c51c2fd857b9555242545bd08c95e (patch) | |
| tree | de11a05e5b361a161e93c98866aa704ed24ed3ae /cpukit/libfs | |
| parent | score: Add _Objects_Put_for_get_isr_disable() (diff) | |
| download | rtems-2d2352bab92c51c2fd857b9555242545bd08c95e.tar.bz2 | |
score: Add and use _Objects_Put()
Add and use _Objects_Put_without_thread_dispatch(). These two functions
pair with the _Objects_Get() function. This helps to introduce object
specific SMP locks to avoid lock contention.
Diffstat (limited to 'cpukit/libfs')
| -rw-r--r-- | cpukit/libfs/src/pipe/fifo.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/cpukit/libfs/src/pipe/fifo.c b/cpukit/libfs/src/pipe/fifo.c index ba5e7b7e40..b8eed9b449 100644 --- a/cpukit/libfs/src/pipe/fifo.c +++ b/cpukit/libfs/src/pipe/fifo.c @@ -74,14 +74,16 @@ static rtems_id pipe_semaphore = RTEMS_ID_NONE; /* Set barriers to be interruptible by signals. */ static void pipe_interruptible(pipe_control_t *pipe) { - Objects_Locations location; - - _Barrier_Get(pipe->readBarrier, &location)->Barrier.Wait_queue.state - |= STATES_INTERRUPTIBLE_BY_SIGNAL; - _Thread_Enable_dispatch(); - _Barrier_Get(pipe->writeBarrier, &location)->Barrier.Wait_queue.state - |= STATES_INTERRUPTIBLE_BY_SIGNAL; - _Thread_Enable_dispatch(); + Objects_Locations location; + Barrier_Control *the_barrier; + + the_barrier = _Barrier_Get(pipe->readBarrier, &location); + the_barrier->Barrier.Wait_queue.state |= STATES_INTERRUPTIBLE_BY_SIGNAL; + _Objects_Put( &the_barrier->Object ); + + the_barrier = _Barrier_Get(pipe->writeBarrier, &location); + the_barrier->Barrier.Wait_queue.state |= STATES_INTERRUPTIBLE_BY_SIGNAL; + _Objects_Put( &the_barrier->Object ); } #endif |