From 9bf0184a3e0773dc8f466479da548ff6243eff50 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Fri, 16 Apr 2021 08:57:44 +0200 Subject: c-user: Document rtems_semaphore_obtain() errors Update #3993. --- c-user/semaphore/directives.rst | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/c-user/semaphore/directives.rst b/c-user/semaphore/directives.rst index 54f40a4..7c2a9c8 100644 --- a/c-user/semaphore/directives.rst +++ b/c-user/semaphore/directives.rst @@ -525,9 +525,17 @@ scheduler. :c:macro:`RTEMS_INVALID_ID` There was no semaphore associated with the identifier specified by ``id``. +:c:macro:`RTEMS_NOT_DEFINED` + The semaphore uses a priority ceiling and there was no priority ceiling + defined for the :term:`home scheduler` of the calling task. + :c:macro:`RTEMS_UNSATISFIED` The semaphore could not be obtained immediately. +:c:macro:`RTEMS_INVALID_PRIORITY` + The semaphore uses a priority ceiling and the calling task had a current + priority less than the priority ceiling. + :c:macro:`RTEMS_INCORRECT_STATE` Acquiring of the local, binary semaphore by the calling task would have cased a deadlock. -- cgit v1.2.3