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107 lines
2.1 KiB
C
107 lines
2.1 KiB
C
#include <unistd.h>
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#include <stdio.h>
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#include "public.h"
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#define srs_trace(msg, ...) printf(msg, ##__VA_ARGS__);printf("\n")
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st_mutex_t start = NULL;
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st_cond_t cond = NULL;
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st_mutex_t mutex = NULL;
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void* master(void* arg)
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{
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// wait for main to start this thread.
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st_mutex_lock(start);
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st_mutex_unlock(start);
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st_usleep(100 * 1000);
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st_cond_signal(cond);
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st_mutex_lock(mutex);
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srs_trace("2. st mutex is ok");
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st_mutex_unlock(mutex);
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st_usleep(100 * 1000);
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srs_trace("3. st thread is ok");
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st_cond_signal(cond);
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return NULL;
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}
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void* slave(void* arg)
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{
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// lock mutex to control thread.
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st_mutex_lock(mutex);
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// wait for main to start this thread.
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st_mutex_lock(start);
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st_mutex_unlock(start);
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// wait thread to ready.
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st_cond_wait(cond);
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srs_trace("1. st cond is ok");
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// release mutex to control thread
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st_usleep(100 * 1000);
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st_mutex_unlock(mutex);
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// wait thread to exit.
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st_cond_wait(cond);
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srs_trace("4. st is ok");
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return NULL;
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}
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int main(int argc, char** argv)
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{
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if (st_set_eventsys(ST_EVENTSYS_ALT) < 0) {
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srs_trace("st_set_eventsys failed");
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return -1;
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}
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if (st_init() < 0) {
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srs_trace("st_init failed");
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return -1;
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}
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if ((start = st_mutex_new()) == NULL) {
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srs_trace("st_mutex_new start failed");
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return -1;
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}
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st_mutex_lock(start);
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if ((cond = st_cond_new()) == NULL) {
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srs_trace("st_cond_new cond failed");
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return -1;
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}
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if ((mutex = st_mutex_new()) == NULL) {
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srs_trace("st_mutex_new mutex failed");
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return -1;
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}
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if (!st_thread_create(master, NULL, 0, 0)) {
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srs_trace("st_thread_create failed");
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return -1;
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}
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if (!st_thread_create(slave, NULL, 0, 0)) {
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srs_trace("st_thread_create failed");
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return -1;
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}
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// run all threads.
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st_mutex_unlock(start);
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// cleanup.
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st_thread_exit(NULL);
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st_mutex_destroy(start);
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st_cond_destroy(cond);
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st_mutex_destroy(mutex);
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return 0;
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}
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