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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-04-05 09:14:03 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-04-09 08:12:17 +0200 |
| commit | 53300c8e16c5f281e9deb1e17a9ae0a34770ef86 (patch) | |
| tree | 0c7e5cd23e4345138d9459fbbae0b8b50a6ebdb6 /c-user/symmetric_multiprocessing_services.rst | |
| parent | c-user: Document rtems_scheduler_get_processor() (diff) | |
| download | rtems-docs-53300c8e16c5f281e9deb1e17a9ae0a34770ef86.tar.bz2 | |
c-user: rtems_scheduler_get_processor_maximum()
Close #3732.
Diffstat (limited to 'c-user/symmetric_multiprocessing_services.rst')
| -rw-r--r-- | c-user/symmetric_multiprocessing_services.rst | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/c-user/symmetric_multiprocessing_services.rst b/c-user/symmetric_multiprocessing_services.rst index aef4397..337de98 100644 --- a/c-user/symmetric_multiprocessing_services.rst +++ b/c-user/symmetric_multiprocessing_services.rst @@ -35,10 +35,6 @@ adequate locking protocols. One aim is to enable a schedulability analysis under the sporadic task model :cite:`Brandenburg:2011:SL` :cite:`Burns:2013:MrsP`. -The directives provided by the SMP support are: - -- rtems_get_processor_count_ - Get processor count - Background ========== @@ -499,45 +495,6 @@ on a suitable platform, e.g. QorIQ T4240. High-performance SMP applications need full control of the object storage :cite:`Drepper:2007:Memory`. Therefore, self-contained synchronization objects are now available for RTEMS. -Directives -========== - -This section details the symmetric multiprocessing services. A subsection is -dedicated to each of these services and describes the calling sequence, related -constants, usage, and status codes. - -.. raw:: latex - - \clearpage - -.. _rtems_get_processor_count: - -GET_PROCESSOR_COUNT - Get processor count ------------------------------------------ - -CALLING SEQUENCE: - .. code-block:: c - - uint32_t rtems_get_processor_count(void); - -DIRECTIVE STATUS CODES: - - The count of processors in the system that can be run. The value returned - is the highest numbered processor index of all processors available to the - application (if a scheduler is assigned) plus one. - -DESCRIPTION: - In uniprocessor configurations, a value of one will be returned. - - In SMP configurations, this returns the value of a global variable set - during system initialization to indicate the count of utilized processors. - The processor count depends on the physically or virtually available - processors and application configuration. The value will always be less - than or equal to the maximum count of application configured processors. - -NOTES: - None. - Implementation Details ====================== |