104 lines
3.5 KiB
C++
Executable File
104 lines
3.5 KiB
C++
Executable File
/*
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PIP - Platform Independent Primitives
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Thread
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Copyright (C) 2012 Ivan Pelipenko peri4ko@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PITHREAD_H
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#define PITHREAD_H
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#include <signal.h>
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#include "pimutex.h"
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#include "piobject.h"
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#ifdef WINDOWS
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inline void msleep(int msecs) {Sleep(msecs);}
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#else
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inline void msleep(int msecs) {usleep(msecs * 1000);}
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#endif
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typedef void (*ThreadFunc)(void * );
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class PIThread: public PIObject {
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public:
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PIThread(void * data, ThreadFunc func, bool startNow = false, int timer_delay = -1);
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PIThread(bool startNow = false, int timer_delay = -1);
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~PIThread();
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#ifdef QNX
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enum Priority {piHighest = 12,
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piHigh = 11,
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piNormal = 10,
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piLow = 9,
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piLowerst = 8 };
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#else
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enum Priority {piHighest = -2,
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piHigh = -1,
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piNormal = 0,
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piLow = 1,
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piLowerst = 2 };
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#endif
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//bool start(int timer_delay = -1);
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EVENT_HANDLER0(PIThread, bool, start) {return start(-1);}
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EVENT_HANDLER1(PIThread, bool, start, int, timer_delay);
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EVENT_HANDLER1(PIThread, bool, start, ThreadFunc, func) {ret_func = func; return start(-1);}
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EVENT_HANDLER2(PIThread, bool, start, ThreadFunc, func, int, timer_delay) {ret_func = func; return start(timer_delay);}
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EVENT_HANDLER0(PIThread, bool, startOnce);
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EVENT_HANDLER1(PIThread, bool, startOnce, ThreadFunc, func) {ret_func = func; return startOnce();}
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EVENT_HANDLER0(PIThread, void, stop) {stop(false);}
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EVENT_HANDLER1(PIThread, void, stop, bool, wait) {terminating = true; if (wait) waitForFinish();}
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EVENT_HANDLER0(PIThread, void, terminate) {terminate(false);}
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EVENT_HANDLER1(PIThread, void, terminate, bool, hard);
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void setData(void * d) {data_ = d;}
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void setSlot(ThreadFunc func) {ret_func = func;}
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void setPriority(PIThread::Priority prior);
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PIThread::Priority priority() const {return priority_;}
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bool isRunning() const {return running;}
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EVENT_HANDLER0(PIThread, bool, waitForFinish) {return waitForFinish(-1);}
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EVENT_HANDLER1(PIThread, bool, waitForFinish, int, timeout_msecs);
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EVENT_HANDLER0(PIThread, bool, waitForStart) {return waitForStart(-1);}
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EVENT_HANDLER1(PIThread, bool, waitForStart, int, timeout_msecs);
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void needLockRun(bool need) {lockRun = need;}
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EVENT_HANDLER0(PIThread, void, lock) {mutex_.lock();}
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EVENT_HANDLER0(PIThread, void, unlock) {mutex_.unlock();}
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PIMutex & mutex() {return mutex_;}
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protected:
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static void * thread_function(void * t);
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static void * thread_function_once(void * t);
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virtual void begin() {;} // executed at start
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virtual void run() {;} // main loop executed with "timer_delay" timeout
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virtual void end() {;} // executed at finish
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volatile bool terminating, running, lockRun;
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int timer, policy;
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void * data_;
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PIMutex mutex_;
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PIThread::Priority priority_;
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ThreadFunc ret_func;
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#ifndef WINDOWS
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pthread_t thread;
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sched_param sparam;
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#else
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void * thread;
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#endif
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};
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#endif // PITHREAD_H
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