xrootd
XrdPollInfo.hh
Go to the documentation of this file.
1 #ifndef __XRD_POLLINFO_H__
2 #define __XRD_POLLINFO_H__
3 /******************************************************************************/
4 /* */
5 /* X r d P o l l I n f o . h h */
6 /* */
7 /* (c) 2018 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 class XrdLink;
33 class XrdPoll;
34 struct pollfd;
35 
37 {
38 public:
39 
40 XrdPollInfo *Next; // Chain of links waiting for a PollPoll event
41 XrdLink &Link; // Link associated with this object (always the same)
42 struct pollfd *PollEnt; // Used only by PollPoll
43 XrdPoll *Poller; // -> Poller object associated with this object
44 int FD; // Associated target file descriptor number
45 bool inQ; // True -> in a PollPoll event queue
46 bool isEnabled; // True -> interrupts are enabled
47 char rsv[2]; // Reserved for future flags
48 
49 void Zorch() {Next = 0; PollEnt = 0;
50  Poller = 0; FD = -1;
51  isEnabled = false; inQ = false;
52  rsv[0] = 0; rsv[1] = 0;
53  }
54 
55  XrdPollInfo(XrdLink &lnk) : Link(lnk) {Zorch();}
57 };
58 #endif
XrdLink & Link
Definition: XrdPollInfo.hh:41
~XrdPollInfo()
Definition: XrdPollInfo.hh:56
struct pollfd * PollEnt
Definition: XrdPollInfo.hh:42
XrdPollInfo * Next
Definition: XrdPollInfo.hh:40
Definition: XrdPollInfo.hh:36
XrdPollInfo(XrdLink &lnk)
Definition: XrdPollInfo.hh:55
Definition: XrdPoll.hh:40
void Zorch()
Definition: XrdPollInfo.hh:49
bool inQ
Definition: XrdPollInfo.hh:45
bool isEnabled
Definition: XrdPollInfo.hh:46
XrdPoll * Poller
Definition: XrdPollInfo.hh:43
int FD
Definition: XrdPollInfo.hh:44
char rsv[2]
Definition: XrdPollInfo.hh:47