1
0
mirror of https://github.com/pocoproject/poco.git synced 2024-12-23 23:39:23 +01:00
poco/Foundation/include/Poco/Thread_WINCE.h
2015-03-18 16:40:22 +01:00

196 lines
3.4 KiB
C++

//
// Thread_WINCE.h
//
// $Id: //poco/1.4/Foundation/include/Poco/Thread_WINCE.h#3 $
//
// Library: Foundation
// Package: Threading
// Module: Thread
//
// Definition of the ThreadImpl class for WIN32.
//
// Copyright (c) 2004-2010, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_Thread_WINCE_INCLUDED
#define Foundation_Thread_WINCE_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/Runnable.h"
#include "Poco/SharedPtr.h"
#include "Poco/UnWindows.h"
#if !defined(TLS_OUT_OF_INDEXES) // Windows CE 5.x does not define this
#define TLS_OUT_OF_INDEXES 0xFFFFFFFF
#endif
namespace Poco {
class Foundation_API ThreadImpl
{
public:
typedef DWORD TIDImpl;
typedef void (*Callable)(void*);
typedef DWORD (WINAPI* Entry)(LPVOID);
enum Priority
{
PRIO_LOWEST_IMPL = THREAD_PRIORITY_LOWEST,
PRIO_LOW_IMPL = THREAD_PRIORITY_BELOW_NORMAL,
PRIO_NORMAL_IMPL = THREAD_PRIORITY_NORMAL,
PRIO_HIGH_IMPL = THREAD_PRIORITY_ABOVE_NORMAL,
PRIO_HIGHEST_IMPL = THREAD_PRIORITY_HIGHEST
};
enum Policy
{
POLICY_DEFAULT_IMPL = 0
};
ThreadImpl();
~ThreadImpl();
TIDImpl tidImpl() const;
void setPriorityImpl(int prio);
int getPriorityImpl() const;
void setOSPriorityImpl(int prio, int policy = 0);
int getOSPriorityImpl() const;
static int getMinOSPriorityImpl(int policy);
static int getMaxOSPriorityImpl(int policy);
void setStackSizeImpl(int size);
int getStackSizeImpl() const;
void setAffinityImpl(int cpu);
int getAffinityImpl() const;
void startImpl(SharedPtr<Runnable> pTarget);
void joinImpl();
bool joinImpl(long milliseconds);
bool isRunningImpl() const;
static void sleepImpl(long milliseconds);
static void yieldImpl();
static ThreadImpl* currentImpl();
static TIDImpl currentTidImpl();
protected:
static DWORD WINAPI runnableEntry(LPVOID pThread);
void createImpl(Entry ent, void* pData);
void threadCleanup();
private:
class CurrentThreadHolder
{
public:
CurrentThreadHolder(): _slot(TlsAlloc())
{
if (_slot == TLS_OUT_OF_INDEXES)
throw SystemException("cannot allocate thread context key");
}
~CurrentThreadHolder()
{
TlsFree(_slot);
}
ThreadImpl* get() const
{
return reinterpret_cast<ThreadImpl*>(TlsGetValue(_slot));
}
void set(ThreadImpl* pThread)
{
TlsSetValue(_slot, pThread);
}
private:
DWORD _slot;
};
SharedPtr<Runnable> _pRunnableTarget;
HANDLE _thread;
DWORD _threadId;
int _prio;
int _stackSize;
static CurrentThreadHolder _currentThreadHolder;
};
//
// inlines
//
inline int ThreadImpl::getPriorityImpl() const
{
return _prio;
}
inline int ThreadImpl::getOSPriorityImpl() const
{
return _prio;
}
inline int ThreadImpl::getMinOSPriorityImpl(int /* policy */)
{
return PRIO_LOWEST_IMPL;
}
inline int ThreadImpl::getMaxOSPriorityImpl(int /* policy */)
{
return PRIO_HIGHEST_IMPL;
}
inline void ThreadImpl::setAffinityImpl(int)
{
// not supported
}
inline int ThreadImpl::getAffinityImpl() const
{
return -1;
}
inline void ThreadImpl::sleepImpl(long milliseconds)
{
Sleep(DWORD(milliseconds));
}
inline void ThreadImpl::yieldImpl()
{
Sleep(0);
}
inline void ThreadImpl::setStackSizeImpl(int size)
{
_stackSize = size;
}
inline int ThreadImpl::getStackSizeImpl() const
{
return _stackSize;
}
inline ThreadImpl::TIDImpl ThreadImpl::tidImpl() const
{
return _threadId;
}
} // namespace Poco
#endif // Foundation_Thread_WINCE_INCLUDED