XRootD
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XrdPosixStats.hh
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1#ifndef __XRDPOSIXSTATS_HH__
2#define __XRDPOSIXSTATS_HH__
3/******************************************************************************/
4/* */
5/* X r d P o s i x S t a t s . h h */
6/* */
7/* (c) 2019 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 <cstring>
34
37
39{
40public:
41
43{
44long long Opens;
45long long OpenErrs;
46long long Closes;
47long long CloseErrs;
48} X;
49
50inline void Get(XrdPosixStats &D)
51 {sMutex.Lock();
52 memcpy(&D.X, &X, sizeof(PosixStats));
53 sMutex.UnLock();
54 }
55
56inline void Add(long long &Dest, long long Val)
57 {sMutex.Lock(); Dest += Val; sMutex.UnLock();}
58
59inline void Count(long long &Dest)
60 {AtomicBeg(sMutex); AtomicInc(Dest); AtomicEnd(sMutex);}
61
62inline void Set(long long &Dest, long long Val)
63 {sMutex.Lock(); Dest = Val; sMutex.UnLock();}
64
65inline void Lock() {sMutex.Lock();}
66inline void UnLock() {sMutex.UnLock();}
67
68 XrdPosixStats() {memset(&X, 0, sizeof(PosixStats));}
70private:
71XrdSysMutex sMutex;
72};
73#endif
#define AtomicInc(x)
#define AtomicBeg(Mtx)
#define AtomicEnd(Mtx)
void Get(XrdPosixStats &D)
struct XrdPosixStats::PosixStats X
void Set(long long &Dest, long long Val)
void Count(long long &Dest)
void Add(long long &Dest, long long Val)