1 /*************************************************************************
3 * Copyright 2016 Realm Inc.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 **************************************************************************/
19 #ifndef REALM_SHARED_PTR_HPP
20 #define REALM_SHARED_PTR_HPP
22 #include <cstdlib> // size_t
45 SharedPtr(const SharedPtr<T>& o)
52 SharedPtr<T>& operator=(const SharedPtr<T>& o)
78 bool operator==(const SharedPtr<T>& o) const
80 return m_ptr == o.m_ptr;
83 bool operator!=(const SharedPtr<T>& o) const
85 return m_ptr != o.m_ptr;
88 bool operator<(const SharedPtr<T>& o) const
90 return m_ptr < o.m_ptr;
93 size_t ref_count() const
103 m_count = new size_t(1);
113 if (--(*m_count) == 0) {