XRootD
XrdXrootdPio.hh
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1 #ifndef __XRDXROOTDPIO__
2 #define __XRDXROOTDPIO__
3 /******************************************************************************/
4 /* */
5 /* X r d X r o o t d P i o . h h */
6 /* */
7 /* (c) 2007 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 "XProtocol/XPtypes.hh"
34 #include "XrdSys/XrdSysPthread.hh"
36 
37 class XrdXrootdFile;
38 
40 {
41 public:
42 
47 
48 static XrdXrootdPio *Alloc(int n=1);
49 
51  {ResumePio = 0;
52  memset(&IO, 0, sizeof(IO));
53  StreamID[0] = 0; StreamID[1] = 0;
54  Next = np; return this;
55  }
56 
57  void Recycle();
58 
59 inline void Set(int (XrdXrootdProtocol::*Invoke)(),
60  XrdXrootd::IOParms &io, const kXR_char *theSID)
61  {ResumePio = Invoke;
62  IO = io;
63  StreamID[0] = theSID[0]; StreamID[1] = theSID[1];
64  }
65 
68 
69 private:
70 
71 static const int FreeMax = 256;
72 static XrdSysMutex myMutex;
73 static XrdXrootdPio *Free;
74 static int FreeNum;
75 };
76 #endif
unsigned char kXR_char
Definition: XPtypes.hh:65
XrdXrootdPio * Next
Definition: XrdXrootdPio.hh:43
XrdXrootdPio * Clear(XrdXrootdPio *np=0)
Definition: XrdXrootdPio.hh:50
XrdXrootd::IOParms IO
Definition: XrdXrootdPio.hh:45
void Recycle()
Definition: XrdXrootdPio.cc:73
XrdXrootdPio(XrdXrootdPio *np=0)
Definition: XrdXrootdPio.hh:66
int(XrdXrootdProtocol::* ResumePio)()
Definition: XrdXrootdPio.hh:44
static XrdXrootdPio * Alloc(int n=1)
Definition: XrdXrootdPio.cc:45
kXR_char StreamID[2]
Definition: XrdXrootdPio.hh:46
void Set(int(XrdXrootdProtocol::*Invoke)(), XrdXrootd::IOParms &io, const kXR_char *theSID)
Definition: XrdXrootdPio.hh:59