1 // 2 // VMime library (http://www.vmime.org) 3 // Copyright (C) 2002-2013 Vincent Richard <vincent@vmime.org> 4 // 5 // This program is free software; you can redistribute it and/or 6 // modify it under the terms of the GNU General Public License as 7 // published by the Free Software Foundation; either version 3 of 8 // the License, or (at your option) any later version. 9 // 10 // This program is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 // General Public License for more details. 14 // 15 // You should have received a copy of the GNU General Public License along 16 // with this program; if not, write to the Free Software Foundation, Inc., 17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18 // 19 // Linking this library statically or dynamically with other modules is making 20 // a combined work based on this library. Thus, the terms and conditions of 21 // the GNU General Public License cover the whole combination. 22 // 23 24 #ifndef VMIME_UTILITY_SYNC_CRITICALSECTION_HPP_INCLUDED 25 #define VMIME_UTILITY_SYNC_CRITICALSECTION_HPP_INCLUDED 26 27 28 #include "vmime/base.hpp" 29 30 31 namespace vmime { 32 namespace utility { 33 namespace sync { 34 35 36 /** Critical section class. 37 */ 38 39 class VMIME_EXPORT criticalSection : public object 40 { 41 public: 42 43 virtual ~criticalSection(); 44 45 /** Enters the critical section. 46 */ 47 virtual void lock() = 0; 48 49 /** Leaves the critical section. 50 */ 51 virtual void unlock() = 0; 52 53 protected: 54 55 criticalSection(); 56 criticalSection(criticalSection&); 57 }; 58 59 60 } // sync 61 } // utility 62 } // vmime 63 64 65 #endif // VMIME_UTILITY_SYNC_CRITICALSECTION_HPP_INCLUDED 66