RC9/qpid/cpp/src/qpid/sys/IOHandle.h

#ifndef _sys_IOHandle_h
#define _sys_IOHandle_h

/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 *
 */

namespace qpid {
namespace sys {

/**
 * This is a class intended to abstract the Unix concept of file descriptor
 * or the Windows concept of HANDLE
 */
// Windows-related classes
class AsynchAcceptorPrivate;
class AsynchAcceptResult;
namespace windows {
    class AsynchIO;
}

// General classes
class PollerHandle;
class IOHandlePrivate;
class IOHandle {

    friend class AsynchAcceptorPrivate;
    friend class AsynchAcceptResult;
    friend class windows::AsynchIO;

    friend class PollerHandle;

protected:
    IOHandlePrivate* const impl;

    IOHandle(IOHandlePrivate*);
    virtual ~IOHandle();
};

}}

#endif // _sys_IOHandle_h