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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-02-19 11:21:34 +0100 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-03-06 09:43:58 +0100 |
commit | ba25cc208c5c83453a57cc42e402c55ac3ffe019 (patch) | |
tree | 65fb290fb28342134eb6ab860cfe4b07fa2261ed /cpukit/score/src/threaddispatchdisablelevel.c | |
parent | score: SMP initialization and shutdown changes (diff) | |
download | rtems-ba25cc208c5c83453a57cc42e402c55ac3ffe019.tar.bz2 |
score: Add and use _Giant_Drop()
New test smptests/smpfatal03.
Diffstat (limited to 'cpukit/score/src/threaddispatchdisablelevel.c')
-rw-r--r-- | cpukit/score/src/threaddispatchdisablelevel.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/cpukit/score/src/threaddispatchdisablelevel.c b/cpukit/score/src/threaddispatchdisablelevel.c index a3dec9998c..ec5ac813d5 100644 --- a/cpukit/score/src/threaddispatchdisablelevel.c +++ b/cpukit/score/src/threaddispatchdisablelevel.c @@ -57,6 +57,19 @@ static void _Giant_Do_release( void ) } } +void _Giant_Drop( uint32_t self_cpu ) +{ + Giant_Control *giant = &_Giant; + + _Assert( _ISR_Get_level() != 0 ); + + if ( giant->owner_cpu == self_cpu ) { + giant->nest_level = 0; + giant->owner_cpu = NO_OWNER_CPU; + _SMP_lock_Release( &giant->lock ); + } +} + uint32_t _Thread_Dispatch_increment_disable_level( void ) { ISR_Level isr_level; |