static int semaphore_test(pj_pool_t *pool)
{
pj_sem_t *sem;
pj_status_t status;
PJ_LOG(3,("", "...testing semaphore"));
status = pj_sem_create(pool, NULL, 0, 1, &sem);
if (status != PJ_SUCCESS) {
app_perror("...error: pj_sem_create()", status);
return -151;
}
status = pj_sem_post(sem);
if (status != PJ_SUCCESS) {
app_perror("...error: pj_sem_post()", status);
pj_sem_destroy(sem);
return -153;
}
status = pj_sem_trywait(sem);
if (status != PJ_SUCCESS) {
app_perror("...error: pj_sem_trywait()", status);
pj_sem_destroy(sem);
return -156;
}
status = pj_sem_post(sem);
if (status != PJ_SUCCESS) {
app_perror("...error: pj_sem_post()", status);
pj_sem_destroy(sem);
return -159;
}
status = pj_sem_wait(sem);
if (status != PJ_SUCCESS) {
app_perror("...error: pj_sem_wait()", status);
pj_sem_destroy(sem);
return -161;
}
status = pj_sem_destroy(sem);
if (status != PJ_SUCCESS) {
app_perror("...error: pj_sem_destroy()", status);
return -163;
}
return 0;
}
PJ_DEF(pj_status_t) pj_sem_trywait2(pj_sem_t *sem)
{
#if 1
pj_status_t result;
uint64_t delay_ms = 1000000;
dispatch_time_t delay_t = dispatch_time(DISPATCH_TIME_NOW, delay_ms);
if(dispatch_semaphore_wait(sem->sem, delay_t)){
usleep(1000);
return PJ_RETURN_OS_ERROR(pj_get_native_os_error());
}else return PJ_SUCCESS;
#else
pj_status_t st = -1;
unsigned long start_t, curr_t;
//uint64_t tstart;
//struct timespec tstart={0,0}, tend={0,0};
//clock_serv_t cclock;
//clock_gettime(cclock , &tstart);
struct timeval tstart,tcurr;
gettimeofday(&tstart, NULL);
start_t = 1000000*tstart.tv_sec+ tstart.tv_usec;
while(st = pj_sem_trywait(sem) == -1 ){
if(errno == EAGAIN){
//clock_gettime(cclock, &tend);
gettimeofday(&tcurr, NULL);
curr_t = 1000000*tcurr.tv_sec + tcurr.tv_usec;
if(curr_t-start_t > 1000) {
st = -1;
break;
}
else usleep(10);
}else{
st = -1;
break;
}
}
return st;
#endif
}
//
// Try wait semaphore.
//
pj_status_t trywait()
{
return pj_sem_trywait(this->pj_sem_t_());
}
