XRootD
XrdOucIOVec.hh
Go to the documentation of this file.
1
#ifndef __OUC_IOVEC_H__
2
#define __OUC_IOVEC_H__
3
/******************************************************************************/
4
/* */
5
/* X r d O u c I O V e c . h h */
6
/* */
7
/* (c) 2012 by the Board of Trustees of the Leland Stanford, Jr., University */
8
/* Produced by Andrew Hanushevsky for Stanford University under contract */
9
/* DE-AC02-76-SFO0515 with the Department of Energy */
10
/* */
11
/* This file is part of the XRootD software suite. */
12
/* */
13
/* XRootD is free software: you can redistribute it and/or modify it under */
14
/* the terms of the GNU Lesser General Public License as published by the */
15
/* Free Software Foundation, either version 3 of the License, or (at your */
16
/* option) any later version. */
17
/* */
18
/* XRootD is distributed in the hope that it will be useful, but WITHOUT */
19
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
20
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
21
/* License for more details. */
22
/* */
23
/* You should have received a copy of the GNU Lesser General Public License */
24
/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
25
/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
26
/* */
27
/* The copyright holder's institutional names and contributor's names may not */
28
/* be used to endorse or promote products derived from this software without */
29
/* specific prior written permission of the institution or contributor. */
30
/******************************************************************************/
31
32
//-----------------------------------------------------------------------------
38
//-----------------------------------------------------------------------------
39
40
struct
XrdOucIOVec
41
{
42
long
long
offset
;
// Offset into the file.
43
int
size
;
// Size of I/O to perform.
44
int
info
;
// Available for arbitrary use
45
char
*
data
;
// Location to read into.
46
};
47
48
// Add backward compatible constructor to XrdOucIOVec
49
//
50
struct
XrdOucIOVec2
:
public
XrdOucIOVec
51
{
52
XrdOucIOVec2
(
char
*buff,
long
long
offs,
int
sz,
int
inf=0)
53
{
XrdOucIOVec::offset
= offs;
54
XrdOucIOVec::size
= sz;
55
XrdOucIOVec::info
= inf;
56
XrdOucIOVec::data
= buff;
57
}
58
};
59
60
// The following correct an error as 'struct iov' was meant to be 'XrdOucIOVec'
61
// but was never defined. However, method signatures remain and we can't change
62
// them. So, the 'struct iov' is defined here in a more useable way. It wase
63
// layout is identical.
64
//
65
struct
iov
:
public
XrdOucIOVec
{ };
66
67
#endif
XrdOucIOVec2
Definition:
XrdOucIOVec.hh:51
XrdOucIOVec2::XrdOucIOVec2
XrdOucIOVec2(char *buff, long long offs, int sz, int inf=0)
Definition:
XrdOucIOVec.hh:52
XrdOucIOVec
Definition:
XrdOucIOVec.hh:41
XrdOucIOVec::size
int size
Definition:
XrdOucIOVec.hh:43
XrdOucIOVec::offset
long long offset
Definition:
XrdOucIOVec.hh:42
XrdOucIOVec::data
char * data
Definition:
XrdOucIOVec.hh:45
XrdOucIOVec::info
int info
Definition:
XrdOucIOVec.hh:44
iov
Definition:
XrdOucIOVec.hh:65
XrdOuc
XrdOucIOVec.hh
Generated by
1.9.1