Jack2 1.9.6
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00001 /* 00002 Copyright (C) 2001 Paul Davis 00003 Copyright (C) 2004-2008 Grame 00004 00005 This program is free software; you can redistribute it and/or modify 00006 it under the terms of the GNU Lesser General Public License as published by 00007 the Free Software Foundation; either version 2.1 of the License, or 00008 (at your option) any later version. 00009 00010 This program is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 GNU Lesser General Public License for more details. 00014 00015 You should have received a copy of the GNU Lesser General Public License 00016 along with this program; if not, write to the Free Software 00017 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 00019 */ 00020 00021 #ifndef __JackPosixThread__ 00022 #define __JackPosixThread__ 00023 00024 #include "JackThread.h" 00025 #include <pthread.h> 00026 00027 namespace Jack 00028 { 00029 00030 /* use 512KB stack per thread - the default is way too high to be feasible 00031 * with mlockall() on many systems */ 00032 #define THREAD_STACK 524288 00033 00038 class SERVER_EXPORT JackPosixThread : public detail::JackThreadInterface 00039 { 00040 00041 protected: 00042 00043 pthread_t fThread; 00044 static void* ThreadHandler(void* arg); 00045 00046 public: 00047 00048 JackPosixThread(JackRunnableInterface* runnable, bool real_time, int priority, int cancellation) 00049 : JackThreadInterface(runnable, priority, real_time, cancellation), fThread((pthread_t)NULL) 00050 {} 00051 JackPosixThread(JackRunnableInterface* runnable, int cancellation = PTHREAD_CANCEL_ASYNCHRONOUS) 00052 : JackThreadInterface(runnable, 0, false, cancellation), fThread((pthread_t)NULL) 00053 {} 00054 00055 int Start(); 00056 int StartSync(); 00057 int Kill(); 00058 int Stop(); 00059 void Terminate(); 00060 00061 int AcquireRealTime(); // Used when called from another thread 00062 int AcquireSelfRealTime(); // Used when called from thread itself 00063 00064 int AcquireRealTime(int priority); // Used when called from another thread 00065 int AcquireSelfRealTime(int priority); // Used when called from thread itself 00066 00067 int DropRealTime(); // Used when called from another thread 00068 int DropSelfRealTime(); // Used when called from thread itself 00069 00070 pthread_t GetThreadID(); 00071 00072 static int AcquireRealTimeImp(pthread_t thread, int priority); 00073 static int AcquireRealTimeImp(pthread_t thread, int priority, UInt64 period, UInt64 computation, UInt64 constraint) 00074 { return JackPosixThread::AcquireRealTimeImp(thread, priority); } 00075 static int DropRealTimeImp(pthread_t thread); 00076 static int StartImp(pthread_t* thread, int priority, int realtime, void*(*start_routine)(void*), void* arg); 00077 static int StopImp(pthread_t thread); 00078 static int KillImp(pthread_t thread); 00079 }; 00080 00081 SERVER_EXPORT void ThreadExit(); 00082 00083 } // end of namespace 00084 00085 00086 #endif