Merge pull request #1096 from xrootd/bugfix-1095

[XrdSys] Avoid deadlock on poller stop, fixes #1095
xrootd · Dec 9, 2019 · 699946e · 699946e
2 parents ea85275 + f9d4223
commit 699946e
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
 //