Sockets/Mutex.cpp

   1 /** \file Mutex.cpp
   2  **     \date  2004-10-30
   3  **     \author grymse@alhem.net
   4 **/
   5 /*
   6 Copyright (C) 2004-2007  Anders Hedstrom
   7
   8 This library is made available under the terms of the GNU GPL.
   9
  10 If you would like to use this library in a closed-source application,
  11 a separate license agreement is available. For information about
  12 the closed-source license agreement for the C++ sockets library,
  13 please visit http://www.alhem.net/Sockets/license.html and/or
  14 email license@alhem.net.
  15
  16 This program is free software; you can redistribute it and/or
  17 modify it under the terms of the GNU General Public License
  18 as published by the Free Software Foundation; either version 2
  19 of the License, or (at your option) any later version.
  20
  21 This program is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 You should have received a copy of the GNU General Public License
  27 along with this program; if not, write to the Free Software
  28 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  29 */
  30 #include "Mutex.h"
  31
  32 #ifdef SOCKETS_NAMESPACE
  33 namespace SOCKETS_NAMESPACE {
  34 #endif
  35
  36
  37 Mutex::Mutex()
  38 {
  39 #ifdef _WIN32
  40         m_mutex = ::CreateMutex(NULL, FALSE, NULL);
  41 #else
  42         pthread_mutex_init(&m_mutex, NULL);
  43 #endif
  44 }
  45
  46
  47 Mutex::~Mutex()
  48 {
  49 #ifdef _WIN32
  50         ::CloseHandle(m_mutex);
  51 #else
  52         pthread_mutex_destroy(&m_mutex);
  53 #endif
  54 }
  55
  56
  57 void Mutex::Lock()
  58 {
  59 #ifdef _WIN32
  60         DWORD d = WaitForSingleObject(m_mutex, INFINITE);
  61         /// \todo check 'd' for result
  62 #else
  63         pthread_mutex_lock(&m_mutex);
  64 #endif
  65 }
  66
  67
  68 void Mutex::Unlock()
  69 {
  70 #ifdef _WIN32
  71         ::ReleaseMutex(m_mutex);
  72 #else
  73         pthread_mutex_unlock(&m_mutex);
  74 #endif
  75 }
  76
  77
  78 #ifdef SOCKETS_NAMESPACE
  79 }
  80 #endif
  81