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git.ipfire.org Git - thirdparty/squid.git/blob - src/DiskIO/AIO/AIODiskFile.h
2 * Copyright (C) 1996-2014 The Squid Software Foundation and contributors
4 * Squid software is distributed under GPLv2+ license and includes
5 * contributions from numerous individuals and organizations.
6 * Please see the COPYING and CONTRIBUTORS files for details.
9 #ifndef SQUID_AIODISKFILE_H
10 #define SQUID_AIODISKFILE_H
16 #include "DiskIO/DiskFile.h"
17 #include "SquidString.h"
19 class AIODiskIOStrategy
;
21 class AIODiskFile
: public DiskFile
23 CBDATA_CLASS(AIODiskFile
);
27 friend class AIODiskIOStrategy
;
28 AIODiskFile (char const *path
, AIODiskIOStrategy
*);
31 /// \bug the code has this as "IORequestor::Pointer callback"
32 virtual void open(int flags
, mode_t mode
, RefCount
<IORequestor
> callback
);
34 virtual void create (int, mode_t
, RefCount
<IORequestor
>);
35 virtual void read(ReadRequest
*);
36 virtual void write(WriteRequest
*);
37 virtual void close ();
38 virtual bool canRead() const;
39 virtual bool canWrite() const;
41 /* During migration only */
42 virtual int getFD() const;
44 virtual bool error() const;
46 /* Inform callers if there is IO in progress */
47 virtual bool ioInProgress() const;
50 void error(bool const &);
53 AIODiskIOStrategy
*strategy
;
54 RefCount
<IORequestor
> ioRequestor
;
59 #endif /* USE_DISKIO_AIO */
60 #endif /* SQUID_AIODISKFILE_H */