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* score: Simplify _Thread_Change_priority()Sebastian Huber2014-05-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The function to change a thread priority was too complex. Simplify it with a new scheduler operation. This increases the average case performance due to the simplified logic. The interrupt disabled critical section is a bit prolonged since now the extract, update and enqueue steps are executed atomically. This should however not impact the worst-case interrupt latency since at least for the Deterministic Priority Scheduler this sequence can be carried out with a wee bit of instructions and no loops. Add _Scheduler_Change_priority() to replace the sequence of - _Thread_Set_transient(), - _Scheduler_Extract(), - _Scheduler_Enqueue(), and - _Scheduler_Enqueue_first(). Delete STATES_TRANSIENT, _States_Is_transient() and _Thread_Set_transient() since this state is now superfluous. With this change it is possible to get rid of the SCHEDULER_SMP_NODE_IN_THE_AIR state. This considerably simplifies the implementation of the new SMP locking protocols.
* score: Static scheduler configurationSebastian Huber2014-04-151-2/+2
| | | | | | Do not allocate the scheduler control structures from the workspace. This is a preparation step for configuration of clustered/partitioned schedulers on SMP.
* score: Add scheduler control to scheduler opsSebastian Huber2014-04-041-1/+3
| | | | | Scheduler operations must be free of a global scheduler context to enable partitioned/clustered scheduling.
* Change all references of rtems.com to rtems.org.Chris Johns2014-03-211-1/+1
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* score: Create scheduler implementation headerSebastian Huber2013-07-261-0/+1
| | | | | | Move implementation specific parts of scheduler.h and scheduler.inl into new header file schedulerimpl.h. The scheduler.h contains now only the application visible API.
* score: Create schedulerpriority impl headerSebastian Huber2013-07-261-2/+1
| | | | | | | | | | | | | Move implementation specific parts of schedulerpriority.h and schedulerpriority.inl into new header file schedulerpriorityimpl.h. The schedulerpriority.h contains now only the application visible API. Add missing includes. Remove superfluous includes. Move declaration of _Priority_Bit_map to prioritybitmap.inl since this variable is used only here. Remove second declaration of _Priority_Major_bit_map.
* Score misc: Clean up Doxygen #8 (GCI 2012)Mathew Kallada2012-11-291-0/+7
| | | | | | | This patch is a task from GCI 2012 which improves the Doxygen comments in the RTEMS source. http://www.google-melange.com/gci/task/view/google/gci2012/7970221
* Remove All CVS Id Strings Possible Using a ScriptJoel Sherrill2012-05-111-2/+0
| | | | | | | | | | | | Script does what is expected and tries to do it as smartly as possible. + remove occurrences of two blank comment lines next to each other after Id string line removed. + remove entire comment blocks which only exited to contain CVS Ids + If the processing left a blank line at the top of a file, it was removed.
* 2011-09-11 Petr Benes <benesp16@fel.cvut.cz>Joel Sherrill2011-09-111-0/+47
PR 1896/cpukit * sapi/include/confdefs.h, score/Makefile.am, score/preinstall.am: Add Earliest Deadline First (EDF) Scheduling Algorithm implementation. * score/include/rtems/score/scheduleredf.h, score/src/scheduleredf.c, score/src/scheduleredfallocate.c, score/src/scheduleredfblock.c, score/src/scheduleredfenqueue.c, score/src/scheduleredfenqueuefirst.c, score/src/scheduleredfextract.c, score/src/scheduleredffree.c, score/src/scheduleredfprioritycompare.c, score/src/scheduleredfreleasejob.c, score/src/scheduleredfschedule.c, score/src/scheduleredfunblock.c, score/src/scheduleredfupdate.c, score/src/scheduleredfyield.c: New files.