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Diffstat (limited to 'doc/user/sem.t')
-rw-r--r-- | doc/user/sem.t | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/user/sem.t b/doc/user/sem.t index 6bd22dd3d7..210f1d0d92 100644 --- a/doc/user/sem.t +++ b/doc/user/sem.t @@ -115,6 +115,11 @@ for that resource. Each time a task blocks attempting to obtain the resource, the task holding the resource may have its priority increased. +On SMP configurations, in case the task holding the resource and the task that +blocks attempting to obtain the resource are in different scheduler instances, +the priority of the holder is raised to the pseudo-interrupt priority (priority +boosting). The pseudo-interrupt priority is the highest priority. + RTEMS supports priority inheritance for local, binary semaphores that use the priority task wait queue blocking discipline. When a task of higher priority than the task |