diff options
| author | bernard.xiong <[email protected]> | 2010-03-17 09:57:07 +0000 |
|---|---|---|
| committer | bernard.xiong <[email protected]> | 2010-03-17 09:57:07 +0000 |
| commit | 2d54fcc40581c348959e50a853ef7d4c0478974f (patch) | |
| tree | 34028e9e3a19c6f3f1755b9ffdf17724f0f5f0a6 /examples/kernel/semaphore_dynamic.c | |
| parent | 824dc0b00e6d390f78de43d806bebb170635cda5 (diff) | |
add heap and semaphore examples.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@501 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'examples/kernel/semaphore_dynamic.c')
| -rw-r--r-- | examples/kernel/semaphore_dynamic.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/examples/kernel/semaphore_dynamic.c b/examples/kernel/semaphore_dynamic.c new file mode 100644 index 0000000000..be49459a4d --- /dev/null +++ b/examples/kernel/semaphore_dynamic.c @@ -0,0 +1,86 @@ +#include <rtthread.h>
+#include "tc_comm.h"
+
+static rt_sem_t sem;
+static void thread_entry(void* parameter)
+{
+ rt_err_t result;
+ rt_tick_t tick;
+
+ /* get current tick */
+ tick = rt_tick_get();
+
+ /* take a semaphore for 10 OS Tick */
+ result = rt_sem_take(sem, 10);
+ if (result == -RT_ETIMEOUT)
+ {
+ if (rt_tick_get() - tick != 10)
+ {
+ tc_done(TC_STAT_FAILED);
+ rt_sem_delete(sem);
+ return;
+ }
+ rt_kprintf("take semaphore timeout");
+ }
+ else
+ {
+ tc_done(TC_STAT_FAILED);
+ rt_sem_delete(sem);
+ return;
+ }
+
+ /* release semaphore one time */
+ rt_sem_release(sem);
+
+ result = rt_sem_take(sem, RT_WAITING_FOREVER);
+ if (result != RT_EOK)
+ {
+ tc_done(TC_STAT_FAILED);
+ rt_sem_delete(sem);
+ return;
+ }
+
+ /* testcase passed */
+ tc_done(TC_STAT_PASSED);
+ /* delete semaphore */
+ rt_sem_delete(sem);
+}
+
+int semaphore_dynamic_init()
+{
+ rt_thread_t tid;
+
+ sem = rt_sem_create("sem", 0, RT_IPC_FLAG_FIFO);
+ if (sem == RT_NULL)
+ {
+ tc_stat(TC_STAT_END | TC_STAT_FAILED);
+ return 0;
+ }
+
+ tid = rt_thread_create("test",
+ thread_entry, RT_NULL,
+ THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
+ if (tid != RT_NULL)
+ rt_thread_startup(tid);
+ else
+ tc_stat(TC_STAT_END | TC_STAT_FAILED);
+
+ return 0;
+}
+
+#ifdef RT_USING_TC
+int _tc_semaphore_dynamic()
+{
+ semaphore_dynamic_init();
+
+ return 30;
+}
+FINSH_FUNCTION_EXPORT(_tc_semaphore_dynamic, a dynamic semaphore test);
+#else
+int rt_application_init()
+{
+ semaphore_dynamic_init();
+
+ return 0;
+}
+#endif
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