00001 #ifndef __XRD_POLLPOLL_H__ 00002 #define __XRD_POLLPOLL_H__ 00003 /******************************************************************************/ 00004 /* */ 00005 /* X r d P o l l P o l l . h h */ 00006 /* */ 00007 /* (c) 2004 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 #include <poll.h> 00033 00034 #include "Xrd/XrdPoll.hh" 00035 00036 class XrdLink; 00037 00038 class XrdPollPoll : XrdPoll 00039 { 00040 public: 00041 00042 void Detach(XrdLink *lp); 00043 00044 void Disable(XrdLink *lp, const char *etxt=0); 00045 00046 int Enable(XrdLink *lp); 00047 00048 void Start(XrdSysSemaphore *syncp, int &rc); 00049 00050 XrdPollPoll(struct pollfd *pp, int numfd); 00051 ~XrdPollPoll(); 00052 00053 protected: 00054 void doDetach(int pti); 00055 void Exclude(XrdLink *lp); 00056 int Include(XrdLink *lp); 00057 00058 private: 00059 00060 void doRequests(int maxreq); 00061 void dqLink(XrdLink *lp); 00062 void LogEvent(int req, int pollfd, int cmdfd); 00063 void Recover(int numleft); 00064 void Restart(int ecode); 00065 00066 struct pollfd *PollTab; //<--- 00067 int PollTNum; // PollMutex protects these elements 00068 XrdLink *PollQ; //<--- 00069 XrdSysMutex PollMutex; 00070 int maxent; 00071 }; 00072 #endif