diff options
| author | Grissiom <[email protected]> | 2013-12-18 20:52:55 +0800 |
|---|---|---|
| committer | Grissiom <[email protected]> | 2013-12-18 20:52:55 +0800 |
| commit | e9e8e3f3cafbbd1287e4226b93b9ad5d40f211e3 (patch) | |
| tree | a82177549a3f3a64900e01b2ce68c0aaa61f3bbd /examples/kernel | |
| parent | cb347f5af05be87d673ec7c53662eb5e61ed681d (diff) | |
TC: do not use rt_sem_trytake to clean the sem
There can be a race condition that the sem has alread been detached
after we did the cleanup. Besides, there is a RT_IPC_CMD_RESET command
in rt_sem_control which is more clear in setting the sem values.
Diffstat (limited to 'examples/kernel')
| -rw-r--r-- | examples/kernel/tc_comm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/examples/kernel/tc_comm.c b/examples/kernel/tc_comm.c index 60d843171f..bf23d80550 100644 --- a/examples/kernel/tc_comm.c +++ b/examples/kernel/tc_comm.c @@ -40,6 +40,8 @@ void tc_thread_entry(void* parameter) tick = index->func(); if (tick > 0) { + /* Make sure we are going to be blocked. */ + rt_sem_control(&_tc_sem, RT_IPC_CMD_RESET, 0); rt_sem_take(&_tc_sem, tick * _tc_scale); if (_tc_cleanup != RT_NULL) @@ -49,8 +51,6 @@ void tc_thread_entry(void* parameter) _tc_cleanup = RT_NULL; } - rt_sem_trytake(&_tc_sem);/* by nl1031 */ - if (_tc_stat & TC_STAT_FAILED) rt_kprintf("TestCase[%s] failed\n", _tc_current); else |