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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-12-07 11:48:36 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-12-11 09:05:07 +0100 |
| commit | 01f8c12ee57230fca1581e1b5be91f3decba0488 (patch) | |
| tree | 279ef8193d107ea59490e3fdeb18d20639c54f36 /cpukit/libmisc | |
| parent | score: Optimize _TLS_Get_size() (diff) | |
| download | rtems-01f8c12ee57230fca1581e1b5be91f3decba0488.tar.bz2 | |
rtems: Optimize semaphore control block
Move variant, discipline, and global information to flags stored in a
node pointer of active semaphores.
Update #3833.
Diffstat (limited to 'cpukit/libmisc')
| -rw-r--r-- | cpukit/libmisc/monitor/mon-sema.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/cpukit/libmisc/monitor/mon-sema.c b/cpukit/libmisc/monitor/mon-sema.c index 87e784ea74..fabc3c952b 100644 --- a/cpukit/libmisc/monitor/mon-sema.c +++ b/cpukit/libmisc/monitor/mon-sema.c @@ -18,7 +18,8 @@ rtems_monitor_sema_canonical( const void *sema_void ) { - const Semaphore_Control *rtems_sema = (const Semaphore_Control *) sema_void; + const Semaphore_Control *rtems_sema; + uintptr_t flags; Thread_Control *owner; canonical_sema->attribute = 0; @@ -27,17 +28,20 @@ rtems_monitor_sema_canonical( canonical_sema->cur_count = 0; canonical_sema->holder_id = 0; + rtems_sema = (const Semaphore_Control *) sema_void; + flags = _Semaphore_Get_flags( rtems_sema ); + #if defined(RTEMS_MULTIPROCESSING) - if (rtems_sema->is_global) { + if ( _Semaphore_Is_global( flags ) ) { canonical_sema->attribute |= RTEMS_GLOBAL; } #endif - if (rtems_sema->discipline == SEMAPHORE_DISCIPLINE_PRIORITY) { + if ( _Semaphore_Get_discipline( flags ) == SEMAPHORE_DISCIPLINE_PRIORITY ) { canonical_sema->attribute |= RTEMS_PRIORITY; } - switch ( rtems_sema->variant ) { + switch ( _Semaphore_Get_variant( flags ) ) { case SEMAPHORE_VARIANT_MUTEX_INHERIT_PRIORITY: canonical_sema->attribute |= RTEMS_BINARY_SEMAPHORE | RTEMS_INHERIT_PRIORITY; @@ -63,7 +67,7 @@ rtems_monitor_sema_canonical( break; } - switch ( rtems_sema->variant ) { + switch ( _Semaphore_Get_variant( flags ) ) { case SEMAPHORE_VARIANT_MUTEX_PRIORITY_CEILING: canonical_sema->priority_ceiling = _Scheduler_Unmap_priority( _CORE_ceiling_mutex_Get_scheduler( &rtems_sema->Core_control.Mutex ), |