Function worker2_impl

test/bthread_key_unittest.cpp:159–162

NOTE: returns void to use ASSERT

// NOTE: returns void to use ASSERT
static void worker2_impl(bthread_key_t k) {
    ASSERT_EQ(NULL, bthread_getspecific(k));
    ASSERT_EQ(0, bthread_setspecific(k, (void*)seq.fetch_add(1)));
}

static void* worker2(void* arg) {
    worker2_impl(*static_cast<bthread_key_t*>(arg));