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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-06-29 15:33:26 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-06-30 07:57:44 +0200 |
| commit | 029877282edb8aa7a2095702742ce95c8246729e (patch) | |
| tree | b1fbd380bac4071d05712957f9d03c6cc7521299 /cpukit/rtems/src/eventsurrender.c | |
| parent | score: Fix thread lock on SMP configurations (diff) | |
| download | rtems-029877282edb8aa7a2095702742ce95c8246729e.tar.bz2 | |
score: Avoid atomic fences for thread wait flags
The use of atomic fences is brittle and may break due to changes in
different areas which is hard to manage.
Diffstat (limited to 'cpukit/rtems/src/eventsurrender.c')
| -rw-r--r-- | cpukit/rtems/src/eventsurrender.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/cpukit/rtems/src/eventsurrender.c b/cpukit/rtems/src/eventsurrender.c index 576670b0b7..a9bef5916c 100644 --- a/cpukit/rtems/src/eventsurrender.c +++ b/cpukit/rtems/src/eventsurrender.c @@ -91,11 +91,8 @@ rtems_status_code _Event_Surrender( _Event_Satisfy( the_thread, event, pending_events, seized_events ); - /* See _Event_Seize() */ - _Atomic_Fence( ATOMIC_ORDER_RELEASE ); - ready_again = wait_class | THREAD_WAIT_STATE_READY_AGAIN; - success = _Thread_Wait_flags_try_change_critical( + success = _Thread_Wait_flags_try_change_release( the_thread, wait_class | THREAD_WAIT_STATE_INTEND_TO_BLOCK, ready_again |