XrdPosixCallBack.hh

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#ifndef __POSIX_CALLBACK_HH__
#define __POSIX_CALLBACK_HH__
/******************************************************************************/
/*                                                                            */
/*                   X r d P o s i x C a l l B a c k . h h                    */
/*                                                                            */
/* (c) 2016 by the Board of Trustees of the Leland Stanford, Jr., University  */
/*                            All Rights Reserved                             */
/*   Produced by Andrew Hanushevsky for Stanford University under contract    */
/*              DE-AC02-76-SFO0515 with the Department of Energy              */
/*                                                                            */
/* This file is part of the XRootD software suite.                            */
/*                                                                            */
/* XRootD is free software: you can redistribute it and/or modify it under    */
/* the terms of the GNU Lesser General Public License as published by the     */
/* Free Software Foundation, either version 3 of the License, or (at your     */
/* option) any later version.                                                 */
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/* XRootD 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 Lesser General Public       */
/* License for more details.                                                  */
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/* You should have received a copy of the GNU Lesser General Public License   */
/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file  */
/* COPYING (GPL license).  If not, see <http://www.gnu.org/licenses/>.        */
/*                                                                            */
/* The copyright holder's institutional names and contributor's names may not */
/* be used to endorse or promote products derived from this software without  */
/* specific prior written permission of the institution or contributor.       */
/******************************************************************************/
 
#include "XrdOuc/XrdOucCache.hh"
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
class XrdPosixCallBack
{
public:
 
virtual void Complete(int Result) = 0;
 
             XrdPosixCallBack() {}
virtual     ~XrdPosixCallBack() {}
};
 
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
 
class XrdPosixFile;
 
class XrdPosixCallBackIO : public XrdOucCacheIOCB
{
public:
friend class XrdPosixExtra;
friend class XrdPosixXrootd;
 
virtual void Complete(ssize_t Result) = 0;
 
             XrdPosixCallBackIO() : theFile(0) {}
virtual     ~XrdPosixCallBackIO() {}
 
private:
 
void         Done(int result);
 
XrdPosixFile *theFile;
};
#endif