00001 #ifndef __XRD_POLLINFO_H__ 00002 #define __XRD_POLLINFO_H__ 00003 /******************************************************************************/ 00004 /* */ 00005 /* X r d P o l l I n f o . h h */ 00006 /* */ 00007 /* (c) 2018 by the Board of Trustees of the Leland Stanford, Jr., University */ 00008 /* Produced by Andrew Hanushevsky for Stanford University under contract */ 00009 /* DE-AC02-76-SFO0515 with the Department of Energy */ 00010 /* */ 00011 /* This file is part of the XRootD software suite. */ 00012 /* */ 00013 /* XRootD is free software: you can redistribute it and/or modify it under */ 00014 /* the terms of the GNU Lesser General Public License as published by the */ 00015 /* Free Software Foundation, either version 3 of the License, or (at your */ 00016 /* option) any later version. */ 00017 /* */ 00018 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */ 00019 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */ 00020 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */ 00021 /* License for more details. */ 00022 /* */ 00023 /* You should have received a copy of the GNU Lesser General Public License */ 00024 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */ 00025 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */ 00026 /* */ 00027 /* The copyright holder's institutional names and contributor's names may not */ 00028 /* be used to endorse or promote products derived from this software without */ 00029 /* specific prior written permission of the institution or contributor. */ 00030 /******************************************************************************/ 00031 00032 class XrdLink; 00033 class XrdPoll; 00034 struct pollfd; 00035 00036 class XrdPollInfo 00037 { 00038 public: 00039 00040 XrdPollInfo *Next; // Chain of links waiting for a PollPoll event 00041 XrdLink &Link; // Link associated with this object (always the same) 00042 struct pollfd *PollEnt; // Used only by PollPoll 00043 XrdPoll *Poller; // -> Poller object associated with this object 00044 int FD; // Associated target file descriptor number 00045 bool inQ; // True -> in a PollPoll event queue 00046 bool isEnabled; // True -> interrupts are enabled 00047 char rsv[2]; // Reserved for future flags 00048 00049 void Zorch() {Next = 0; PollEnt = 0; 00050 Poller = 0; FD = -1; 00051 isEnabled = false; inQ = false; 00052 rsv[0] = 0; rsv[1] = 0; 00053 } 00054 00055 XrdPollInfo(XrdLink &lnk) : Link(lnk) {Zorch();} 00056 ~XrdPollInfo() {} 00057 }; 00058 #endif