diff options
| 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/score/src/threadtimeout.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/score/src/threadtimeout.c')
| -rw-r--r-- | cpukit/score/src/threadtimeout.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/cpukit/score/src/threadtimeout.c b/cpukit/score/src/threadtimeout.c index 9b5cfa637d..a2ba61f9e7 100644 --- a/cpukit/score/src/threadtimeout.c +++ b/cpukit/score/src/threadtimeout.c @@ -54,15 +54,9 @@ void _Thread_Timeout( Watchdog_Control *watchdog ) _Thread_Do_timeout( the_thread ); - /* - * This fence is only necessary for the events, see _Event_Seize(). The - * thread queues use the thread lock for synchronization. - */ - _Atomic_Fence( ATOMIC_ORDER_RELEASE ); - wait_class = wait_flags & THREAD_WAIT_CLASS_MASK; 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 |