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