[XrdSys] Avoid deadlock on poller stop, fixes #1095

xrootd · Dec 5, 2019 · f9d4223 · f9d4223
1 parent a84c675
commit f9d4223
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/XrdSys/XrdSysIOEvents.cc b/src/XrdSys/XrdSysIOEvents.cc
@@ -1018,7 +1018,9 @@ void XrdSys::IOEvents::Poller::Stop()
 
 // First we must stop the poller thread in an orderly fashion.
 //
+   adMutex.UnLock();
    SendCmd(cmdbuff);
+   adMutex.Lock();
 
 // Close the pipe communication mechanism
 //