Function sleep_func

test/brpc_coroutine_unittest.cpp:106–116

}

Awaitable<int> sleep_func() {
    Trace t("sleep_func");
    int64_t s = butil::monotonic_time_us();
    auto aw = Coroutine::usleep(1000);
    usleep(delay_us);
    co_await aw;
    int cost = butil::monotonic_time_us() - s;
    EXPECT_GE(cost, 1000);
    LOG(INFO) << "after usleep:" << cost;
    co_return 123;
}

Awaitable<float> exception_func() {
    Trace t("exception_func");