Function thread_create

libcpu/sim/posix/cpu_port.c:182–210

    pthread_exit(NULL);
}
static int thread_create(
    thread_t *thread, void *task, void *parameter, void *pexit)
{
    int res;
    pthread_attr_t attr;

    thread->task = task;
    thread->para = parameter;
    thread->exit = pexit;

    if (sem_init(&thread->sem, 0, 0) != 0)
    {
        printf("init thread->sem failed, exit \n");
        exit(EXIT_FAILURE);
    }
    /* No need to join the threads. */
    pthread_attr_init(&attr);
    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);

    /* create a posix thread */
    res = pthread_create(&thread->pthread, &attr, &thread_run, (void *)thread);
    if (res)
    {
        printf("pthread create faild, <%d>\n", res);
        exit(EXIT_FAILURE);
    }

    return 0;
}

/* resume the thread */
static int thread_resume(thread_t *thread)