Page Speed Optimization Libraries
1.3.25.1
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00001 /* 00002 * Copyright 2011 Google Inc. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http:///www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00018 00019 #ifndef NET_INSTAWEB_UTIL_PUBLIC_ATOMIC_BOOL_H_ 00020 #define NET_INSTAWEB_UTIL_PUBLIC_ATOMIC_BOOL_H_ 00021 00022 #include "net/instaweb/util/public/atomicops.h" 00023 #include "net/instaweb/util/public/basictypes.h" 00024 00025 namespace net_instaweb { 00026 00031 class AtomicBool { 00032 public: 00034 AtomicBool() { 00035 set_value(false); 00036 } 00037 00038 ~AtomicBool() {} 00039 00040 bool value() const { 00041 return base::subtle::Acquire_Load(&value_); 00042 } 00043 00044 void set_value(bool v) { 00045 base::subtle::Release_Store(&value_, v); 00046 } 00047 00048 private: 00049 base::subtle::AtomicWord value_; 00050 DISALLOW_COPY_AND_ASSIGN(AtomicBool); 00051 }; 00052 00053 00054 } 00055 00056 #endif ///< NET_INSTAWEB_UTIL_PUBLIC_ATOMIC_BOOL_H_