posix/JackPosixMutex.h

   1 /*
   2  Copyright (C) 2006 Grame
   3
   4  This library is free software; you can redistribute it and/or
   5  modify it under the terms of the GNU Lesser General Public
   6  License as published by the Free Software Foundation; either
   7  version 2.1 of the License, or (at your option) any later version.
   8
   9  This library 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 GNU
  12  Lesser General Public License for more details.
  13
  14  You should have received a copy of the GNU Lesser General Public
  15  License along with this library; if not, write to the Free Software
  16  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17
  18  Grame Research Laboratory, 9 rue du Garet, 69001 Lyon - France
  19  grame@grame.fr
  20 */
  21
  22 #ifndef __JackPosixMutex__
  23 #define __JackPosixMutex__
  24
  25 #include "JackException.h"
  26 #include "JackCompilerDeps.h"
  27
  28 #include <pthread.h>
  29 #include <stdio.h>
  30 #include <assert.h>
  31
  32 namespace Jack
  33 {
  34 /*!
  35 \brief Mutex abstraction.
  36 */
  37
  38 class SERVER_EXPORT JackBasePosixMutex
  39 {
  40
  41     protected:
  42
  43         pthread_mutex_t fMutex;
  44         pthread_t fOwner;
  45
  46     public:
  47
  48         JackBasePosixMutex(const char* name = NULL);
  49         virtual ~JackBasePosixMutex();
  50
  51         bool Lock();
  52         bool Trylock();
  53         bool Unlock();
  54
  55 };
  56
  57 class SERVER_EXPORT JackPosixMutex
  58 {
  59     protected:
  60
  61         pthread_mutex_t fMutex;
  62
  63     public:
  64
  65         JackPosixMutex(const char* name = NULL);
  66         virtual ~JackPosixMutex();
  67
  68         bool Lock();
  69         bool Trylock();
  70         bool Unlock();
  71 };
  72
  73 } // namespace
  74
  75 #endif