diff options
Diffstat (limited to '')
| -rw-r--r-- | cpukit/score/include/rtems/score/schedulerpriority.h | 50 |
1 files changed, 31 insertions, 19 deletions
diff --git a/cpukit/score/include/rtems/score/schedulerpriority.h b/cpukit/score/include/rtems/score/schedulerpriority.h index 67ef6b9e93..162cb7011a 100644 --- a/cpukit/score/include/rtems/score/schedulerpriority.h +++ b/cpukit/score/include/rtems/score/schedulerpriority.h @@ -7,6 +7,7 @@ /* * Copryight (c) 2010 Gedare Bloom. + * Copyright (C) 2011 On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at @@ -35,11 +36,24 @@ extern "C" { /**@{*/ /** + * Entry points for Scheduler Priority + */ +#define SCHEDULER_PRIORITY_ENTRY_POINTS \ + { \ + .initialize = _Scheduler_priority_Initialize, \ + .schedule = _Scheduler_priority_Schedule, \ + .yield = _Scheduler_priority_Yield, \ + .block = _Scheduler_priority_Block, \ + .unblock = _Scheduler_priority_Unblock, \ + .scheduler_allocate = _Scheduler_priority_Thread_scheduler_allocate, \ + .scheduler_free = _Scheduler_priority_Thread_scheduler_free, \ + .scheduler_update = _Scheduler_priority_Thread_scheduler_update \ + } + +/** * This routine initializes the priority scheduler. */ -void _Scheduler_priority_Initialize( - Scheduler_Control *the_scheduler -); +void _Scheduler_priority_Initialize(void); /** * This routine removes @a the_thread from the scheduling decision, @@ -48,32 +62,27 @@ void _Scheduler_priority_Initialize( * a new heir thread. */ void _Scheduler_priority_Block( - Scheduler_Control *the_scheduler, - Thread_Control *the_thread + Thread_Control *the_thread ); /** * This kernel routine sets the heir thread to be the next ready thread * by invoking the_scheduler->ready_queue->operations->first(). */ -void _Scheduler_priority_Schedule( - Scheduler_Control *the_scheduler -); +void _Scheduler_priority_Schedule(void); /** * This routine allocates @a the_thread->scheduler. */ void * _Scheduler_priority_Thread_scheduler_allocate( - Scheduler_Control *the_scheduler, - Thread_Control *the_thread + Thread_Control *the_thread ); /** * This routine frees @a the_thread->scheduler. */ void _Scheduler_priority_Thread_scheduler_free( - Scheduler_Control *the_scheduler, - Thread_Control *the_thread + Thread_Control *the_thread ); /** @@ -81,8 +90,7 @@ void _Scheduler_priority_Thread_scheduler_free( * structures and thread state */ void _Scheduler_priority_Thread_scheduler_update( - Scheduler_Control *the_scheduler, - Thread_Control *the_thread + Thread_Control *the_thread ); /** @@ -91,17 +99,21 @@ void _Scheduler_priority_Thread_scheduler_update( * updates any appropriate scheduling variables, for example the heir thread. */ void _Scheduler_priority_Unblock( - Scheduler_Control *the_scheduler, - Thread_Control *the_thread + Thread_Control *the_thread ); /** * This routine is invoked when a thread wishes to voluntarily * transfer control of the processor to another thread in the queue. + * + * This routine will remove the running THREAD from the ready queue + * and place it immediately at the rear of this chain. Reset timeslice + * and yield the processor functions both use this routine, therefore if + * reset is true and this is the only thread on the queue then the + * timeslice counter is reset. The heir THREAD will be updated if the + * running is also the currently the heir. */ -void _Scheduler_priority_Yield( - Scheduler_Control *the_scheduler -); +void _Scheduler_priority_Yield( void ); #ifndef __RTEMS_APPLICATION__ #include <rtems/score/schedulerpriority.inl> |