1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _SD_SCOPELOCK_HXX 25 #define _SD_SCOPELOCK_HXX 26 27 namespace sd 28 { 29 30 class ScopeLock 31 { 32 friend class ScopeLockGuard; 33 public: ScopeLock()34 ScopeLock() : mnLock(0) {} isLocked() const35 bool isLocked() const { return mnLock != 0; } 36 private: lock()37 void lock() { mnLock++; } unlock()38 void unlock() { mnLock--; } 39 40 sal_Int32 mnLock; 41 }; 42 43 class ScopeLockGuard 44 { 45 public: ScopeLockGuard(ScopeLock & rScopeLock)46 ScopeLockGuard( ScopeLock& rScopeLock ) : mrScopeLock( rScopeLock ) { mrScopeLock.lock(); } ~ScopeLockGuard()47 ~ScopeLockGuard() { mrScopeLock.unlock(); } 48 private: 49 ScopeLock& mrScopeLock; 50 }; 51 52 } // namespace sd 53 54 #endif // _SD_UNDOMANAGER_HXX 55