XRootD
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XrdPssAioCB.hh
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1#ifndef __PSS_AIOCB_HH__
2#define __PSS_AIOCB_HH__
3/******************************************************************************/
4/* */
5/* X r d P s s A i o C B . h h */
6/* */
7/* (c) 2016 by the Board of Trustees of the Leland Stanford, Jr., University */
8/* All Rights Reserved */
9/* Produced by Andrew Hanushevsky for Stanford University under contract */
10/* DE-AC02-76-SFO0515 with the Department of Energy */
11/* */
12/* This file is part of the XRootD software suite. */
13/* */
14/* XRootD is free software: you can redistribute it and/or modify it under */
15/* the terms of the GNU Lesser General Public License as published by the */
16/* Free Software Foundation, either version 3 of the License, or (at your */
17/* option) any later version. */
18/* */
19/* XRootD is distributed in the hope that it will be useful, but WITHOUT */
20/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
21/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
22/* License for more details. */
23/* */
24/* You should have received a copy of the GNU Lesser General Public License */
25/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
26/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
27/* */
28/* The copyright holder's institutional names and contributor's names may not */
29/* be used to endorse or promote products derived from this software without */
30/* specific prior written permission of the institution or contributor. */
31/******************************************************************************/
32
33#include <cstdint>
34#include <vector>
35
38
39class XrdSfsAio;
40
41class XrdPssAioCB : public XrdPosixCallBackIO
42{
43public:
44
45static XrdPssAioCB *Alloc(XrdSfsAio *aiop, bool isWr, bool pgrw=false);
46
47virtual void Complete(ssize_t Result);
48
49 void Recycle();
50
51static void SetMax(int mval) {maxFree = mval;}
52
53std::vector<uint32_t> csVec;
54
55private:
56 XrdPssAioCB() : theAIOP(0), isWrite(false) {}
57virtual ~XrdPssAioCB() {}
58
59static XrdSysMutex myMutex;
60static XrdPssAioCB *freeCB;
61static int numFree;
62static int maxFree;
63
64union {XrdSfsAio *theAIOP;
65 XrdPssAioCB *next;
66 };
67bool isWrite;
68bool isPGrw;
69};
70#endif
static void SetMax(int mval)
std::vector< uint32_t > csVec
virtual void Complete(ssize_t Result)
static XrdPssAioCB * Alloc(XrdSfsAio *aiop, bool isWr, bool pgrw=false)