diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-05-01 20:52:51 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-05-19 12:00:46 +0200 |
| commit | e76c517d0726f91447e0e2c3ba14c00896456e89 (patch) | |
| tree | caa429239407c3cfa4cfd8a4e68aae25e893ca35 /cpukit/rtems/src/semobtain.c | |
| parent | score: Fine grained locking for message queues (diff) | |
| download | rtems-e76c517d0726f91447e0e2c3ba14c00896456e89.tar.bz2 | |
score: Fine grained locking for semaphores
Update #2273.
Diffstat (limited to 'cpukit/rtems/src/semobtain.c')
| -rw-r--r-- | cpukit/rtems/src/semobtain.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/cpukit/rtems/src/semobtain.c b/cpukit/rtems/src/semobtain.c index 0edac96264..ca13bea080 100644 --- a/cpukit/rtems/src/semobtain.c +++ b/cpukit/rtems/src/semobtain.c @@ -56,10 +56,10 @@ rtems_status_code rtems_semaphore_obtain( attribute_set = the_semaphore->attribute_set; wait = !_Options_Is_no_wait( option_set ); #if defined(RTEMS_SMP) - _Thread_Disable_dispatch(); if ( _Attributes_Is_multiprocessor_resource_sharing( attribute_set ) ) { MRSP_Status mrsp_status; + _Thread_Disable_dispatch(); _ISR_lock_ISR_enable( &lock_context ); mrsp_status = _MRSP_Obtain( &the_semaphore->Core_control.mrsp, @@ -73,6 +73,9 @@ rtems_status_code rtems_semaphore_obtain( } else #endif if ( !_Attributes_Is_counting_semaphore( attribute_set ) ) { +#if defined(RTEMS_SMP) + _Thread_Disable_dispatch(); +#endif _CORE_mutex_Seize( &the_semaphore->Core_control.mutex, executing, @@ -98,10 +101,6 @@ rtems_status_code rtems_semaphore_obtain( timeout, &lock_context ); -#if defined(RTEMS_SMP) - _Thread_Enable_dispatch(); -#endif - _Objects_Put_for_get_isr_disable( &the_semaphore->Object ); return _Semaphore_Translate_core_semaphore_return_code( executing->Wait.return_code ); |