barrier/src/lib/arch/win32/ArchMultithreadWindows.h

116 lines
3.6 KiB
C++

/*
* barrier -- mouse and keyboard sharing utility
* Copyright (C) 2012-2016 Symless Ltd.
* Copyright (C) 2002 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file LICENSE that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "arch/IArchMultithread.h"
#include "common/stdlist.h"
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#define ARCH_MULTITHREAD ArchMultithreadWindows
class ArchCondImpl {
public:
enum { kSignal = 0, kBroadcast };
HANDLE m_events[2];
mutable int m_waitCount;
ArchMutex m_waitCountMutex;
};
class ArchMutexImpl {
public:
CRITICAL_SECTION m_mutex;
};
//! Win32 implementation of IArchMultithread
class ArchMultithreadWindows : public IArchMultithread {
public:
ArchMultithreadWindows();
virtual ~ArchMultithreadWindows();
//! @name manipulators
//@{
void setNetworkDataForCurrentThread(void*);
//@}
//! @name accessors
//@{
HANDLE getCancelEventForCurrentThread();
void* getNetworkDataForThread(ArchThread);
static ArchMultithreadWindows* getInstance();
//@}
// IArchMultithread overrides
virtual ArchCond newCondVar();
virtual void closeCondVar(ArchCond);
virtual void signalCondVar(ArchCond);
virtual void broadcastCondVar(ArchCond);
virtual bool waitCondVar(ArchCond, ArchMutex, double timeout);
virtual ArchMutex newMutex();
virtual void closeMutex(ArchMutex);
virtual void lockMutex(ArchMutex);
virtual void unlockMutex(ArchMutex);
virtual ArchThread newThread(ThreadFunc, void*);
virtual ArchThread newCurrentThread();
virtual ArchThread copyThread(ArchThread);
virtual void closeThread(ArchThread);
virtual void cancelThread(ArchThread);
virtual void setPriorityOfThread(ArchThread, int n);
virtual void testCancelThread();
virtual bool wait(ArchThread, double timeout);
virtual bool isSameThread(ArchThread, ArchThread);
virtual bool isExitedThread(ArchThread);
virtual ThreadID getIDOfThread(ArchThread);
virtual void setSignalHandler(ESignal, SignalFunc, void*);
virtual void raiseSignal(ESignal);
private:
ArchThreadImpl* find(DWORD id);
ArchThreadImpl* findNoRef(DWORD id);
ArchThreadImpl* findNoRefOrCreate(DWORD id);
void insert(ArchThreadImpl* thread);
void erase(ArchThreadImpl* thread);
void refThread(ArchThreadImpl* rep);
void testCancelThreadImpl(ArchThreadImpl* rep);
void doThreadFunc(ArchThread thread);
static unsigned int __stdcall threadFunc(void* vrep);
private:
typedef std::list<ArchThread> ThreadList;
static ArchMultithreadWindows* s_instance;
ArchMutex m_threadMutex;
ThreadList m_threadList;
ArchThread m_mainThread;
SignalFunc m_signalFunc[kNUM_SIGNALS];
void* m_signalUserData[kNUM_SIGNALS];
};