src/lib/platform/windows/os-threads.h

   1 #pragma once
   2 /*
   3  * This file is part of the libCEC(R) library.
   4  *
   5  * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited.  All rights reserved.
   6  * libCEC(R) is an original work, containing original code.
   7  *
   8  * libCEC(R) is a trademark of Pulse-Eight Limited.
   9  *
  10  * This program is dual-licensed; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  *
  24  *
  25  * Alternatively, you can license this library under a commercial license,
  26  * please contact Pulse-Eight Licensing for more information.
  27  *
  28  * For more information contact:
  29  * Pulse-Eight Licensing       <license@pulse-eight.com>
  30  *     http://www.pulse-eight.com/
  31  *     http://www.pulse-eight.net/
  32  */
  33
  34 namespace PLATFORM
  35 {
  36   #define thread_t                                 HANDLE
  37   #define ThreadsWait(thread, retVal)              (::WaitForSingleObject(thread, INFINITE) < 0)
  38   #define ThreadsCreate(thread, func, arg)         ((thread = ::CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)func, arg, 0, NULL)) == NULL ? false : true)
  39
  40   typedef CRITICAL_SECTION* mutex_t;
  41   #define MutexCreate(mutex)                       ::InitializeCriticalSection(mutex = new CRITICAL_SECTION)
  42   #define MutexDelete(mutex)                       ::DeleteCriticalSection(mutex); delete mutex
  43   #define MutexLock(mutex)                         ::EnterCriticalSection(mutex)
  44   #define MutexTryLock(mutex)                      (::TryEnterCriticalSection(mutex) != 0)
  45   #define MutexUnlock(mutex)                       ::LeaveCriticalSection(mutex)
  46
  47   // windows vista+ conditions
  48   typedef VOID (WINAPI *ConditionArg)     (CONDITION_VARIABLE*);
  49   typedef BOOL (WINAPI *ConditionMutexArg)(CONDITION_VARIABLE*, CRITICAL_SECTION*, DWORD);
  50
  51   class CConditionImpl
  52   {
  53   public:
  54     CConditionImpl(void);
  55     virtual ~CConditionImpl(void);
  56     void Signal(void);
  57     void Broadcast(void);
  58     bool Wait(mutex_t &mutex);
  59     bool Wait(mutex_t &mutex, uint32_t iTimeoutMs);
  60
  61     bool                m_bOnVista;
  62     CONDITION_VARIABLE *m_conditionVista;
  63     HANDLE              m_conditionPreVista;
  64   };
  65 }