108 lines
2.5 KiB
C++
108 lines
2.5 KiB
C++
/*
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* Copyright (C) 2006-2016 Jacek Sieka, arnetheduck on gmail point com
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*
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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 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef ADCHPP_THREAD_H
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#define ADCHPP_THREAD_H
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#ifndef _WIN32
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# include <pthread.h>
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# include <sched.h>
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# include <sys/resource.h>
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#include <unistd.h>
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#endif
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#include "Exception.h"
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#include "nullptr.h"
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namespace adchpp {
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STANDARD_EXCEPTION(ThreadException);
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class Thread : private boost::noncopyable
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{
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public:
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ADCHPP_DLL void start() throw(ThreadException);
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ADCHPP_DLL void join() throw();
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#ifdef _WIN32
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enum Priority {
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LOW = THREAD_PRIORITY_BELOW_NORMAL,
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NORMAL = THREAD_PRIORITY_NORMAL,
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HIGH = THREAD_PRIORITY_ABOVE_NORMAL
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};
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Thread() throw() : threadHandle(INVALID_HANDLE_VALUE) { }
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virtual ~Thread() {
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if(threadHandle != INVALID_HANDLE_VALUE)
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CloseHandle(threadHandle);
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}
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void setThreadPriority(Priority p) throw() { ::SetThreadPriority(threadHandle, p); }
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bool isRunning() throw() { return (threadHandle != INVALID_HANDLE_VALUE); }
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static void sleep(uint32_t millis) { ::Sleep(millis); }
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static void yield() { ::Sleep(1); }
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#elif defined(HAVE_PTHREAD)
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enum Priority {
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LOW = 1,
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NORMAL = 0,
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HIGH = -1
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};
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Thread() throw() : t(0) { }
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virtual ~Thread() {
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if(t != 0) {
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pthread_detach(t);
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}
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}
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void setThreadPriority(Priority p) { setpriority(PRIO_PROCESS, 0, p); }
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bool isRunning() { return (t != 0); }
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static void sleep(uint32_t millis) { ::usleep(millis*1000); }
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static void yield() { ::sched_yield(); }
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#else
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#error No threading support found
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#endif
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protected:
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virtual int run() = 0;
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#ifdef _WIN32
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HANDLE threadHandle;
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static DWORD WINAPI starter(void* p) {
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return static_cast<DWORD>(reinterpret_cast<Thread*>(p)->run());
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}
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#else
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pthread_t t;
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static void* starter(void* p) {
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// ignore the return value.
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reinterpret_cast<Thread*>(p)->run();
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return nullptr;
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}
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#endif
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};
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}
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#endif // THREAD_H
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