Function cv_signaler

test/bthread_cond_unittest.cpp:146–154

std::atomic<int> WrapperArg::wake_time{0};

void* cv_signaler(void* void_arg) {
    WrapperArg* a = (WrapperArg*)void_arg;
    signal_start_time = butil::gettimeofday_us();
    while (!stop) {
        bthread_usleep(SIGNAL_INTERVAL_US);
        a->cond.notify_one();
    }
    return NULL;
}

void* cv_bmutex_waiter(void* void_arg) {
    WrapperArg* a = (WrapperArg*)void_arg;