00001 #ifndef __FRMXLOCK_HH__ 00002 #define __FRMXLOCK_HH__ 00003 /******************************************************************************/ 00004 /* */ 00005 /* X r d F r m X L o c k . h h */ 00006 /* */ 00007 /* (c) 2010 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 00013 #include "XrdOuc/XrdOucSxeq.hh" 00014 00015 class XrdFrmXLock 00016 { 00017 public: 00018 00019 static int Init(const char *aPath) 00020 {XrdOucSxeq mySxeq(".frmxeq", 0, aPath); 00021 return ((lkFD = mySxeq.Detach()) >= 0); 00022 } 00023 00024 XrdFrmXLock() {XrdOucSxeq::Serialize(lkFD, 0);} 00025 ~XrdFrmXLock() {XrdOucSxeq::Release(lkFD);} 00026 00027 private: 00028 00029 static int lkFD; 00030 }; 00031 00032 #ifndef __FRMXLOCK_CC__ 00033 #define __FRMXLOCK_CC__ 00034 int XrdFrmXLock::lkFD = -1; 00035 #endif 00036 00037 #endif