Function pthread_testcancel

components/libc/posix/pthreads/pthread.c:1400–1415

* @brief Explicitly checks for pending cancellation requests in the calling thread. * * The `pthread_testcancel` function allows a thread to determine if it has a pending * cancellation request. If a cancellation request is pending and the thread's cancelability * state is set to `PTHREAD_CANCEL_ENABLE`, the thread will terminate immediately. * * @note * - This function is a cancellation

 * @see pthread_setcancelstate, pthread_setcanceltype, pthread_cancel
 */
void pthread_testcancel(void)
{
    int cancel = 0;
    _pthread_data_t *ptd;

    if (rt_thread_self() == NULL) return;

    /* get pthread data from pthread_data of thread */
    ptd = (_pthread_data_t *)rt_thread_self()->pthread_data;
    RT_ASSERT(ptd != RT_NULL);

    if (ptd->cancelstate == PTHREAD_CANCEL_ENABLE)
        cancel = ptd->canceled;
    if (cancel)
        pthread_exit((void *)PTHREAD_CANCELED);
}
RTM_EXPORT(pthread_testcancel);

/**