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// -*- C++ -*-
// Module: Log4CPLUS
// File: threads.h
// Created: 6/2001
// Author: Tad E. Smith
//
//
// Copyright 2001-2010 Tad E. Smith
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/** @file */
#ifndef LOG4CPLUS_IMPL_THREADS_IMPL_HEADER_
#define LOG4CPLUS_IMPL_THREADS_IMPL_HEADER_
#include <log4cplus/config.hxx>
#if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
#pragma once
#endif
#if defined (_WIN32)
#include <log4cplus/config/windowsh-inc.h>
#endif
#include <log4cplus/tstring.h>
#include <log4cplus/helpers/pointer.h>
#include <log4cplus/thread/threads.h>
#if ! defined (INSIDE_LOG4CPLUS)
# error "This header must not be be used outside log4cplus' implementation files."
#endif
namespace log4cplus { namespace thread { namespace impl {
#if defined (LOG4CPLUS_USE_PTHREADS)
typedef pthread_t os_handle_type;
typedef pthread_t os_id_type;
inline
pthread_t
getCurrentThreadId ()
{
return pthread_self ();
}
#elif defined (LOG4CPLUS_USE_WIN32_THREADS)
typedef HANDLE os_handle_type;
typedef DWORD os_id_type;
inline
DWORD
getCurrentThreadId ()
{
return GetCurrentThreadId ();
}
#elif defined (LOG4CPLUS_SINGLE_THREADED)
typedef void * os_handle_type;
typedef int os_id_type;
inline
int
getCurrentThreadId ()
{
return 1;
}
#endif
#ifndef LOG4CPLUS_SINGLE_THREADED
struct ThreadStart
{
# ifdef LOG4CPLUS_USE_PTHREADS
static void* threadStartFuncWorker(void *);
# elif defined(LOG4CPLUS_USE_WIN32_THREADS)
static unsigned threadStartFuncWorker(void *);
# endif
};
/**
* There are many cross-platform C++ Threading libraries. The goal of
* this class is not to replace (or match in functionality) those
* libraries. The goal of this class is to provide a simple Threading
* class with basic functionality.
*/
class Thread
: public ThreadImplBase
{
public:
Thread();
bool isRunning() const;
os_id_type getThreadId() const;
os_handle_type getThreadHandle () const;
void start();
void join ();
protected:
// Force objects to be constructed on the heap
virtual ~Thread();
virtual void run() = 0;
private:
// Friends.
friend struct ThreadStart;
enum Flags
{
fRUNNING = 0x01,
fJOINED = 0x02
};
unsigned flags;
os_handle_type handle;
# if defined(LOG4CPLUS_USE_WIN32_THREADS)
unsigned thread_id;
# endif
// Disallow copying of instances of this class.
Thread(const Thread&);
Thread& operator=(const Thread&);
};
typedef helpers::SharedObjectPtr<Thread> ThreadPtr;
#endif // LOG4CPLUS_SINGLE_THREADED
} } } // namespace log4cplus { namespace thread { namespace impl {
#endif // LOG4CPLUS_IMPL_THREADS_IMPL_HEADER_