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