Method destroy

src/bthread/mutex.cpp:313–316

}

void SampledContention::destroy() {
    _hash_code = 0;
    butil::return_object(this);
}

// Remember the conflict hashes for troubleshooting, should be 0 at most of time.
static butil::static_atomic<int64_t> g_nconflicthash = BUTIL_STATIC_ATOMIC_INIT(0);