windows/JackWinThread.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 #ifndef __JackWinThread__
  21 #define __JackWinThread__
  22
  23 #include "JackThread.h"
  24 #include "JackMMCSS.h"
  25 #include "JackCompilerDeps.h"
  26 #include "JackSystemDeps.h"
  27 #ifdef __MINGW32__
  28 #include <winsock2.h>
  29 #endif
  30 #include <windows.h>
  31
  32 namespace Jack
  33 {
  34
  35 typedef DWORD (WINAPI *ThreadCallback)(void *arg);
  36
  37 /*!
  38 \brief Windows threads.
  39 */
  40
  41 class SERVER_EXPORT JackWinThread : public JackMMCSS, public detail::JackThreadInterface
  42 {
  43
  44     private:
  45
  46         HANDLE fThread;
  47         HANDLE fEvent;
  48
  49         static DWORD WINAPI ThreadHandler(void* arg);
  50
  51     public:
  52
  53         JackWinThread(JackRunnableInterface* runnable);
  54         ~JackWinThread();
  55
  56         int Start();
  57         int StartSync();
  58         int Kill();
  59         int Stop();
  60         void Terminate();
  61
  62         int AcquireRealTime();                  // Used when called from another thread
  63         int AcquireSelfRealTime();              // Used when called from thread itself
  64
  65         int AcquireRealTime(int priority);      // Used when called from another thread
  66         int AcquireSelfRealTime(int priority);  // Used when called from thread itself
  67
  68         int DropRealTime();                     // Used when called from another thread
  69         int DropSelfRealTime();                 // Used when called from thread itself
  70
  71         jack_native_thread_t GetThreadID();
  72         bool IsThread();
  73
  74         static int AcquireRealTimeImp(jack_native_thread_t thread, int priority);
  75         static int AcquireRealTimeImp(jack_native_thread_t thread, int priority, UInt64 period, UInt64 computation, UInt64 constraint)
  76         {
  77             return JackWinThread::AcquireRealTimeImp(thread, priority);
  78         }
  79         static int DropRealTimeImp(jack_native_thread_t thread);
  80         static int StartImp(jack_native_thread_t* thread, int priority, int realtime, void*(*start_routine)(void*), void* arg)
  81         {
  82             return JackWinThread::StartImp(thread, priority, realtime, (ThreadCallback) start_routine, arg);
  83         }
  84         static int StartImp(jack_native_thread_t* thread, int priority, int realtime, ThreadCallback start_routine, void* arg);
  85         static int StopImp(jack_native_thread_t thread);
  86         static int KillImp(jack_native_thread_t thread);
  87
  88 };
  89
  90 SERVER_EXPORT void ThreadExit();
  91
  92 } // end of namespace
  93
  94 #endif
  95