--- doc/user/smp.t | 38 ++++++++++++++++++++++++++++++++++++++ 1 files changed, 38 insertions(+), 0 deletions(-)
diff --git a/doc/user/smp.t b/doc/user/smp.t index b0d1189..3d565ef 100644 --- a/doc/user/smp.t +++ b/doc/user/smp.t @@ -258,6 +258,44 @@ maximum count of application configured processors. None. @c +@c rtems_get_current_processor +@c +@page +@subsection GET_CURRENT_PROCESSOR - Get current processor index + +@subheading CALLING SEQUENCE: + +@ifset is-C +@example +uint32_t rtems_get_current_processor(void); +@end example +@end ifset + +@ifset is-Ada +@end ifset + +@subheading DIRECTIVE STATUS CODES: + +The index of the current processor. + +@subheading DESCRIPTION: + +On uni-processor configurations a value of zero will be returned. + +On SMP configurations an architecture specific method is used to obtain the +index of the current processor in the system. The set of processor indices is +the range of integers starting with zero up to the processor count minus one. + +Outside of sections with disabled thread dispatching the current processor +index may change after every instruction since the thread may migrate from one +processor to another. Sections with disabled interrupts are sections with +thread dispatching disabled. + +@subheading NOTES: + +None. + +@c @c rtems_task_get_affinity @c @page -- 1.7.7 _______________________________________________ rtems-devel mailing list rtems-devel@rtems.org http://www.rtems.org/mailman/listinfo/rtems-devel
