00001 #ifndef __XRDOUCSID_HH_ 00002 #define __XRDOUCSID_HH_ 00003 /******************************************************************************/ 00004 /* */ 00005 /* X r d O u c S i d . h h */ 00006 /* */ 00007 /* (c) 2013 by the Board of Trustees of the Leland Stanford, Jr., University */ 00008 /* All Rights Reserved */ 00009 /* Produced by Andrew Hanushevsky for Stanford University under contract */ 00010 /* DE-AC02-76-SFO0515 with the Department of Energy */ 00011 /* */ 00012 /* This file is part of the XRootD software suite. */ 00013 /* */ 00014 /* XRootD is free software: you can redistribute it and/or modify it under */ 00015 /* the terms of the GNU Lesser General Public License as published by the */ 00016 /* Free Software Foundation, either version 3 of the License, or (at your */ 00017 /* option) any later version. */ 00018 /* */ 00019 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */ 00020 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */ 00021 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */ 00022 /* License for more details. */ 00023 /* */ 00024 /* You should have received a copy of the GNU Lesser General Public License */ 00025 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */ 00026 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */ 00027 /* */ 00028 /* The copyright holder's institutional names and contributor's names may not */ 00029 /* be used to endorse or promote products derived from this software without */ 00030 /* specific prior written permission of the institution or contributor. */ 00031 /******************************************************************************/ 00032 00033 #include "XrdSys/XrdSysPthread.hh" 00034 00035 //----------------------------------------------------------------------------- 00043 //----------------------------------------------------------------------------- 00044 00045 class XrdOucSid 00046 { 00047 public: 00048 00049 //----------------------------------------------------------------------------- 00051 //----------------------------------------------------------------------------- 00052 00053 union theSid {short sidS; char sidC[2];}; 00054 00055 //----------------------------------------------------------------------------- 00064 //----------------------------------------------------------------------------- 00065 00066 bool Obtain(theSid *sidP); 00067 00068 //----------------------------------------------------------------------------- 00076 //----------------------------------------------------------------------------- 00077 00078 bool Release(theSid *sidP); 00079 00080 //----------------------------------------------------------------------------- 00083 //----------------------------------------------------------------------------- 00084 00085 void Reset(); 00086 00087 //----------------------------------------------------------------------------- 00101 //----------------------------------------------------------------------------- 00102 00103 XrdOucSid(int numSid=256, bool mtproof=true, XrdOucSid *glblSid=0); 00104 00105 //----------------------------------------------------------------------------- 00108 //----------------------------------------------------------------------------- 00109 00110 ~XrdOucSid(); 00111 00112 private: 00113 00114 XrdSysMutex sidMutex; 00115 XrdOucSid *globalSid; 00116 unsigned char *sidVec; 00117 int sidFree; 00118 int sidSize; 00119 int sidMax; 00120 bool sidLock; 00121 }; 00122 #endif