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refs #182: update the st, use cond and mutex.

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This commit is contained in:
winlin 2014-10-26 13:55:37 +08:00
parent 388305f44c
commit 79ab9f05f3
1 changed files with 41 additions and 3 deletions
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44
trunk/research/st/srs.c
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@ -5,10 +5,22 @@
#define srs_trace(msg, ...) printf(msg, ##__VA_ARGS__);printf("\n")
st_cond_t cond = NULL;
st_mutex_t mutex = NULL;
void* pfn(void* arg)
{
st_sleep(1);
srs_trace("st thread is ok");
st_usleep(100 * 1000);
st_cond_signal(cond);
st_mutex_lock(mutex);
srs_trace("2. st mutex is ok");
st_mutex_unlock(mutex);
st_usleep(100 * 1000);
srs_trace("3. st thread is ok");
st_cond_signal(cond);
return NULL;
}
@ -24,13 +36,39 @@ int main(int argc, char** argv)
return -1;
}
if ((cond = st_cond_new()) == NULL) {
srs_trace("st_cond_new failed");
return -1;
}
if ((mutex = st_mutex_new()) == NULL) {
srs_trace("st_mutex_new failed");
return -1;
}
if (!st_thread_create(pfn, NULL, 0, 0)) {
srs_trace("st_thread_create failed");
return -1;
}
srs_trace("st is ok");
// lock mutex to control thread.
st_mutex_lock(mutex);
// wait thread to ready.
st_cond_wait(cond);
srs_trace("1. st cond is ok");
// release mutex to control thread
st_usleep(100 * 1000);
st_mutex_unlock(mutex);
// wait thread to exit.
st_cond_wait(cond);
srs_trace("4. st is ok");
// cleanup.
st_cond_destroy(cond);
st_mutex_destroy(mutex);
st_thread_exit(NULL);
return 0;