From: Igor Maravic <igor@spotify.com>
Date: Tue, 24 Sep 2013 11:47:39 +0000 (+0200)
Subject: Clean up after DynListener crash
X-Git-Tag: rec-3.6.0-rc1~343^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=233f08a1de5508ca4ee67de9bc90045c2cd0cf63;p=thirdparty%2Fpdns.git

Clean up after DynListener crash

When DynListener crashes, kill all processes from his parent PGRP.

This way we'll certanly close the pdns.controlsocket (no more hanging pdns_control processes)
and we'll kill the processes that aren't managable via pdns_control any more.
---

diff --git a/pdns/dynlistener.cc b/pdns/dynlistener.cc
index 0e80ab15bd..daec1d9dd3 100644
--- a/pdns/dynlistener.cc
+++ b/pdns/dynlistener.cc
@@ -199,6 +199,8 @@ void *DynListener::theListenerHelper(void *p)
   DynListener *us=static_cast<DynListener *>(p);
   us->theListener();
   L<<Logger::Error<<"Control listener aborted, please file a bug!"<<endl;
+  L<<Logger::Error<<"Taking down the Parent PGRP ("<<getpgid(us->d_ppid)<<") with it"<<endl;
+  kill(-getpgid(us->d_ppid),SIGKILL);
   return 0;
 }