Function sid_dtor

test/bthread_key_unittest.cpp:259–266

};

static void sid_dtor(void* tls){
    SidData* data = (SidData*)tls;
    // Should already be set NULL.
    ASSERT_EQ(NULL, bthread_getspecific(data->key));
    if (++data->seq < data->end_seq){
        ASSERT_EQ(0, bthread_setspecific(data->key, data));
    }
}

static void sid_thread_impl(SidData* data) {
    ASSERT_EQ(0, bthread_setspecific(data->key, data));