windows/JackWinMutex.h

   1 /*
   2  Copyright (C) 2004-2008 Grame
   3
   4  This program is free software; you can redistribute it and/or modify
   5  it under the terms of the GNU Lesser General Public License as published by
   6  the Free Software Foundation; either version 2.1 of the License, or
   7  (at your option) any later version.
   8
   9  This program is distributed in the hope that it will be useful,
  10  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  GNU Lesser General Public License for more details.
  13
  14  You should have received a copy of the GNU Lesser General Public License
  15  along with this program; if not, write to the Free Software
  16  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18  */
  19
  20
  21 #ifndef __JackWinMutex__
  22 #define __JackWinMutex__
  23
  24 #include "JackCompilerDeps.h"
  25 #include "JackException.h"
  26 #include <windows.h>
  27 #include <stdio.h>
  28
  29 namespace Jack
  30 {
  31
  32 /*!
  33 \brief Mutex abstraction.
  34 */
  35 class SERVER_EXPORT JackBaseWinMutex
  36 {
  37
  38     protected:
  39
  40         HANDLE fMutex;
  41         DWORD fOwner;
  42
  43     public:
  44
  45         JackBaseWinMutex():fOwner(0)
  46         {
  47             // In recursive mode by default
  48             fMutex = CreateMutex(NULL, FALSE, NULL);
  49             ThrowIf((fMutex == 0), JackException("JackBaseWinMutex: could not init the mutex"));
  50         }
  51
  52         virtual ~JackBaseWinMutex()
  53         {
  54             CloseHandle(fMutex);
  55         }
  56
  57         bool Lock();
  58         bool Trylock();
  59         bool Unlock();
  60
  61 };
  62
  63 class SERVER_EXPORT JackWinMutex
  64 {
  65
  66     protected:
  67
  68         HANDLE fMutex;
  69
  70     public:
  71
  72         JackWinMutex(const char* name = NULL)
  73         {
  74             // In recursive mode by default
  75             if (name) {
  76                 char buffer[MAX_PATH];
  77                 snprintf(buffer, sizeof(buffer), "%s_%s", "JackWinMutex", name);
  78                 fMutex = CreateMutex(NULL, FALSE, buffer);
  79             } else {
  80                 fMutex = CreateMutex(NULL, FALSE, NULL);
  81             }
  82
  83             ThrowIf((fMutex == 0), JackException("JackWinMutex: could not init the mutex"));
  84         }
  85
  86         virtual ~JackWinMutex()
  87         {
  88             CloseHandle(fMutex);
  89         }
  90
  91         bool Lock();
  92         bool Trylock();
  93         bool Unlock();
  94
  95 };
  96
  97 class SERVER_EXPORT JackWinCriticalSection
  98 {
  99
 100     protected:
 101
 102         CRITICAL_SECTION fSection;
 103
 104     public:
 105
 106         JackWinCriticalSection(const char* name = NULL)
 107         {
 108             InitializeCriticalSection(&fSection);
 109         }
 110
 111         virtual ~JackWinCriticalSection()
 112         {
 113             DeleteCriticalSection(&fSection);
 114         }
 115
 116         bool Lock();
 117         bool Trylock();
 118         bool Unlock();
 119
 120 };
 121
 122
 123 } // namespace
 124
 125 #endif
 126