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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-07-25 16:35:37 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-07-27 10:55:30 +0200 |
| commit | 1fcac5adc5ed38fb88ce4c6d24b2ca2e27e3cd10 (patch) | |
| tree | 7d2fed265befa680902ff146acb3305a360f9116 /cpukit/rtems/src/systemeventreceive.c | |
| parent | score: Priority inherit thread queue operations (diff) | |
| download | rtems-1fcac5adc5ed38fb88ce4c6d24b2ca2e27e3cd10.tar.bz2 | |
score: Turn thread lock into thread wait lock
The _Thread_Lock_acquire() function had a potentially infinite run-time
due to the lack of fairness at atomic operations level.
Update #2412.
Update #2556.
Update #2765.
Diffstat (limited to 'cpukit/rtems/src/systemeventreceive.c')
| -rw-r--r-- | cpukit/rtems/src/systemeventreceive.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/cpukit/rtems/src/systemeventreceive.c b/cpukit/rtems/src/systemeventreceive.c index a2215fa7ec..93a5694eec 100644 --- a/cpukit/rtems/src/systemeventreceive.c +++ b/cpukit/rtems/src/systemeventreceive.c @@ -44,7 +44,7 @@ rtems_status_code rtems_event_system_receive( RTEMS_API_Control *api; Event_Control *event; - executing = _Thread_Lock_acquire_default_for_executing( &lock_context ); + executing = _Thread_Wait_acquire_default_for_executing( &lock_context ); api = executing->API_Extensions[ THREAD_API_RTEMS ]; event = &api->System_event; @@ -62,7 +62,7 @@ rtems_status_code rtems_event_system_receive( ); } else { *event_out = event->pending_events; - _Thread_Lock_release_default( executing, &lock_context ); + _Thread_Wait_release_default( executing, &lock_context ); sc = RTEMS_SUCCESSFUL; } } else { |