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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-03-10 00:24:37 +0000 |
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| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-03-10 00:24:37 +0000 |
| commit | ad9a0c7bb97d5f69e8e1038b20f5536b168d5295 (patch) | |
| tree | 49facf679b572841e269cce488b917c0279b553a | |
| parent | 6d4bec40451240221e408b57c06e0ab2d0d06b71 (diff) | |
| download | nuttx-ad9a0c7bb97d5f69e8e1038b20f5536b168d5295.tar.gz nuttx-ad9a0c7bb97d5f69e8e1038b20f5536b168d5295.tar.bz2 nuttx-ad9a0c7bb97d5f69e8e1038b20f5536b168d5295.zip | |
Fix priority inheritance bug
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1584 42af7a65-404d-4744-a932-0658087f49c3
| -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 */ |