Jack2 1.9.6
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00001 /* 00002 Copyright (C) 2004-2008 Grame 00003 00004 This program is free software; you can redistribute it and/or modify 00005 it under the terms of the GNU Lesser General Public License as published by 00006 the Free Software Foundation; either version 2.1 of the License, or 00007 (at your option) any later version. 00008 00009 This program is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 GNU Lesser General Public License for more details. 00013 00014 You should have received a copy of the GNU Lesser General Public License 00015 along with this program; if not, write to the Free Software 00016 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 00018 */ 00019 00020 00021 #ifndef __JackWinMutex__ 00022 #define __JackWinMutex__ 00023 00024 #include <windows.h> 00025 00026 namespace Jack 00027 { 00031 class JackWinMutex 00032 { 00033 00034 protected: 00035 00036 HANDLE fMutex; 00037 00038 public: 00039 00040 JackWinMutex() 00041 { 00042 // In recursive mode by default 00043 fMutex = (HANDLE)CreateMutex(0, FALSE, 0); 00044 } 00045 00046 virtual ~JackWinMutex() 00047 { 00048 CloseHandle(fMutex); 00049 } 00050 00051 bool Lock() 00052 { 00053 return (WAIT_OBJECT_0 == WaitForSingleObject(fMutex, INFINITE)); 00054 } 00055 00056 bool Trylock() 00057 { 00058 return (WAIT_OBJECT_0 == WaitForSingleObject(fMutex, 0)); 00059 } 00060 00061 bool Unlock() 00062 { 00063 return(ReleaseMutex(fMutex) != 0); 00064 } 00065 00066 }; 00067 00068 } // namespace 00069 00070 #endif