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| author | Jennifer Averett <Jennifer.Averett@OARcorp.com> | 2011-05-26 18:07:07 +0000 |
|---|---|---|
| committer | Jennifer Averett <Jennifer.Averett@OARcorp.com> | 2011-05-26 18:07:07 +0000 |
| commit | d4dc7c8196355f08044e67a3f5c1e19485f17ff1 (patch) | |
| tree | 77437e47925428753b579caadf1e7b61f524ee4d /cpukit/score/src/threaddispatch.c | |
| parent | Fix broken cvs id. (diff) | |
| download | rtems-d4dc7c8196355f08044e67a3f5c1e19485f17ff1.tar.bz2 | |
2011-05-26 Jennifer Averett <Jennifer.Averett@OARcorp.com>
PR 1796/cpukit
* sapi/src/exshutdown.c, score/include/rtems/score/percpu.h,
score/include/rtems/score/smp.h, score/src/smp.c,
score/src/threaddispatch.c, score/src/threadhandler.c: Added SMP
interprocess communications.
Diffstat (limited to 'cpukit/score/src/threaddispatch.c')
| -rw-r--r-- | cpukit/score/src/threaddispatch.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/cpukit/score/src/threaddispatch.c b/cpukit/score/src/threaddispatch.c index a5b5cf94c5..38d24a5017 100644 --- a/cpukit/score/src/threaddispatch.c +++ b/cpukit/score/src/threaddispatch.c @@ -33,6 +33,10 @@ #include <rtems/score/timestamp.h> #endif +#if defined(RTEMS_SMP) + #include <rtems/score/smp.h> +#endif + /** * _Thread_Dispatch * @@ -47,18 +51,28 @@ * dispatch thread * no dispatch thread */ - void _Thread_Dispatch( void ) { Thread_Control *executing; Thread_Control *heir; ISR_Level level; + _Thread_Disable_dispatch(); + #if defined(RTEMS_SMP) + /* + * If necessary, send dispatch request to other cores. + */ + _SMP_Request_other_cores_to_dispatch(); + #endif + + /* + * Now determine if we need to perform a dispatch on the current CPU. + */ executing = _Thread_Executing; _ISR_Disable( level ); while ( _Thread_Dispatch_necessary == true ) { + heir = _Thread_Heir; - _Thread_Dispatch_set_disable_level( 1 ); _Thread_Dispatch_necessary = false; _Thread_Executing = heir; @@ -96,7 +110,10 @@ void _Thread_Dispatch( void ) _Thread_Time_of_last_context_switch = uptime; } #else - heir->cpu_time_used++; + { + TOD_Get_uptime( &_Thread_Time_of_last_context_switch ); + heir->cpu_time_used++; + } #endif /* |