void* gs_signal_receiver_thread(void* args)
{
    sigset_t waitMask;
    /* wait below signals: SIGINT, SIGTERM, SIGQUIT, SIGHUP, SIGUSR1 */
    sigemptyset(&waitMask);
    sigaddset(&waitMask, SIGINT);
    sigaddset(&waitMask, SIGTERM);
    sigaddset(&waitMask, SIGQUIT);
    sigaddset(&waitMask, SIGHUP);
    sigaddset(&waitMask, SIGUSR1);

    gs_signal_block_sigusr2();

    /* add just for memcheck */
    gs_thread_args_free();

    for (;;) {
        int signo;
        /* Wait for signals arrival. */
        sigwait(&waitMask, &signo);

        /* send signal to thread */
        (void)gs_signal_send(PostmasterPid, signo);
    }
    return NULL;
}