+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2013 Inktank Storage, Inc.
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation. See file COPYING.
- *
- */
-
-#ifndef CEPH_TRACKEDINTPTR_H
-#define CEPH_TRACKEDINTPTR_H
-
-
-template <class T>
-class TrackedIntPtr {
- T *ptr;
- uint64_t id;
-public:
- TrackedIntPtr() : ptr(NULL), id(0) {}
- TrackedIntPtr(T *ptr) : ptr(ptr), id(ptr ? get_with_id(ptr) : 0) {}
- ~TrackedIntPtr() {
- if (ptr)
- put_with_id(ptr, id);
- else
- assert(id == 0);
- }
- void swap(TrackedIntPtr &other) {
- T *optr = other.ptr;
- uint64_t oid = other.id;
- other.ptr = ptr;
- other.id = id;
- ptr = optr;
- id = oid;
- }
- TrackedIntPtr(const TrackedIntPtr &rhs) :
- ptr(rhs.ptr), id(ptr ? get_with_id(ptr) : 0) {}
-
- void operator=(const TrackedIntPtr &rhs) {
- TrackedIntPtr o(rhs.ptr);
- swap(o);
- }
- T &operator*() const {
- return *ptr;
- }
- T *operator->() const {
- return ptr;
- }
- T *get() const { return ptr; }
-
- operator bool() const {
- return ptr != NULL;
- }
- bool operator<(const TrackedIntPtr &lhs) const {
- return ptr < lhs.ptr;
- }
- bool operator==(const TrackedIntPtr &lhs) const {
- return ptr == lhs.ptr;
- }
-
- void reset() {
- if (ptr)
- put_with_id(ptr, id);
- ptr = nullptr;
- id = 0;
- }
-};
-
-#endif