Function pool_thread_impl

test/bthread_key_unittest.cpp:368–374

bool use_same_keytable = false;

static void pool_thread_impl(PoolData* data) {
    if (NULL == bthread_getspecific(data->key)) {
        ASSERT_EQ(0, bthread_setspecific(data->key, data));
    } else {
        use_same_keytable = true;
    }
};

static void* pool_thread(void* args) {
    pool_thread_impl((PoolData*)args);