diff options
Diffstat (limited to 'nuttx/sched/sem_wait.c')
| -rw-r--r-- | nuttx/sched/sem_wait.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/nuttx/sched/sem_wait.c b/nuttx/sched/sem_wait.c index d0735d76e..9facd861f 100644 --- a/nuttx/sched/sem_wait.c +++ b/nuttx/sched/sem_wait.c @@ -175,9 +175,14 @@ int sem_wait(FAR sem_t *sem) * cannot cause a context switch because we have preemption * disabled. The task will be marked "pending" and the switch * will occur during up_block_task() processing. + * + * NOTE that we have to restore base_priority because + * up_reprioritize_rtr() should set both. */ - + + int base_priority = htcb->base_priority; up_reprioritize_rtr(htcb, rtcb->sched_priority); + htcb->base_priority = base_priority; } #endif /* Add the TCB to the prioritized semaphore wait queue */ |