diff options
| -rw-r--r-- | examples/kernel/semaphore_dynamic.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/examples/kernel/semaphore_dynamic.c b/examples/kernel/semaphore_dynamic.c index 579d9daa9a..16c87a4240 100644 --- a/examples/kernel/semaphore_dynamic.c +++ b/examples/kernel/semaphore_dynamic.c @@ -25,9 +25,13 @@ static void thread_entry(void* parameter) result = rt_sem_take(sem, 10); if (result == -RT_ETIMEOUT) { - /* 判断是否刚好过去10个OS Tick */ - if (rt_tick_get() - tick != 10) + rt_tick_t new_tick = rt_tick_get(); + /* 可以有两个 tick 的误差 */ + if (new_tick - tick >= 12) { + rt_kprintf("tick error to large: expect: 10, get %d\n", + new_tick - tick); + /* 如果失败，则测试失败 */ tc_done(TC_STAT_FAILED); rt_sem_delete(sem); |