Function check

test/bvar_sampler_unittest.cpp:99–114

}

static void* check(void*) {
    const int N = 100;
    DebugSampler* s[N];
    for (int i = 0; i < N; ++i) {
        s[i] = new DebugSampler;
        s[i]->schedule();
    }
    usleep(1010000);
    for (int i = 0; i < N; ++i) {
        EXPECT_LE(1, s[i]->called_count()) << "i=" << i;
    }
    for (int i = 0; i < N; ++i) {
        s[i]->destroy();
    }
    return NULL;
}

TEST(SamplerTest, multi_threaded) {
#if !BRPC_WITH_GLOG