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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2004-02-26 17:04:44 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2004-02-26 17:04:44 +0000 |
| commit | f4548e9f812f7504e14992fc909cfc8da9a58974 (patch) | |
| tree | 481fdb4702b14d56849ed5f72988a2ad1291bbfc /cpukit/rtems | |
| parent | 2004-02-26 Joel Sherrill <joel@OARcorp.com> (diff) | |
| download | rtems-f4548e9f812f7504e14992fc909cfc8da9a58974.tar.bz2 | |
2004-02-26 Thomas Rauscher <trauscher@loytec.com.
PR 584/RTEMS
* rtems/src/eventtimeout.c: Fix critical section window.
Diffstat (limited to 'cpukit/rtems')
| -rw-r--r-- | cpukit/rtems/src/eventtimeout.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/cpukit/rtems/src/eventtimeout.c b/cpukit/rtems/src/eventtimeout.c index 027ce3d981..03b6430fb4 100644 --- a/cpukit/rtems/src/eventtimeout.c +++ b/cpukit/rtems/src/eventtimeout.c @@ -39,8 +39,9 @@ void _Event_Timeout( void *ignored ) { - Thread_Control *the_thread; - Objects_Locations location; + Thread_Control *the_thread; + Objects_Locations location; + ISR_Level level; the_thread = _Thread_Get( id, &location ); switch ( location ) { @@ -61,14 +62,25 @@ void _Event_Timeout( * a timeout is not allowed to occur. */ - if ( _Event_Sync_state != EVENT_SYNC_SYNCHRONIZED && - _Thread_Is_executing( the_thread ) ) { - if ( _Event_Sync_state != EVENT_SYNC_SATISFIED ) - _Event_Sync_state = EVENT_SYNC_TIMEOUT; - } else { - the_thread->Wait.return_code = RTEMS_TIMEOUT; - _Thread_Unblock( the_thread ); + _ISR_Disable( level ); + if ( the_thread->Wait.count ) { /* verify thread is waiting */ + the_thread->Wait.count = 0; + if ( _Event_Sync_state != EVENT_SYNC_SYNCHRONIZED && + _Thread_Is_executing( the_thread ) ) { + if ( _Event_Sync_state != EVENT_SYNC_SATISFIED ) { + _Event_Sync_state = EVENT_SYNC_TIMEOUT; + } + _ISR_Enable( level ); + } else { + the_thread->Wait.return_code = RTEMS_TIMEOUT; + _ISR_Enable( level ); + _Thread_Unblock( the_thread ); + } } + else { + _ISR_Enable( level ); + } + _Thread_Unnest_dispatch(); break; } |