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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2021-04-16 15:22:04 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2021-04-19 07:20:49 +0200 |
| commit | 00f9faf2de9c0437ca9734c0c02f2b03d4cac7c8 (patch) | |
| tree | d30a5b98f3714ecd16b3c5bfbda6c400914d1c95 /cpukit/include/rtems/rtems/sem.h | |
| parent | grlib/genirq: Taking into account that it could be more than one ISR enabled/... (diff) | |
| download | rtems-00f9faf2de9c0437ca9734c0c02f2b03d4cac7c8.tar.bz2 | |
rtems: Document rtems_semaphore_obtain() errors
Diffstat (limited to '')
| -rw-r--r-- | cpukit/include/rtems/rtems/sem.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/cpukit/include/rtems/rtems/sem.h b/cpukit/include/rtems/rtems/sem.h index ec3b6c671a..22f5b3f491 100644 --- a/cpukit/include/rtems/rtems/sem.h +++ b/cpukit/include/rtems/rtems/sem.h @@ -468,8 +468,15 @@ rtems_status_code rtems_semaphore_delete( rtems_id id ); * @retval ::RTEMS_INVALID_ID There was no semaphore associated with the * identifier specified by ``id``. * + * @retval ::RTEMS_NOT_DEFINED The semaphore uses a priority ceiling and there + * was no priority ceiling defined for the home scheduler of the calling + * task. + * * @retval ::RTEMS_UNSATISFIED The semaphore could not be obtained immediately. * + * @retval ::RTEMS_INVALID_PRIORITY The semaphore uses a priority ceiling and + * the calling task had a current priority less than the priority ceiling. + * * @retval ::RTEMS_INCORRECT_STATE Acquiring of the local, binary semaphore by * the calling task would have cased a deadlock. * |