From 93a45d2f13c4596d72a401dd69c1c37d3ed33a1b Mon Sep 17 00:00:00 2001
From: rudolfkoenig <>
Date: Wed, 17 Oct 2018 15:52:58 +0000
Subject: [PATCH] Blocking.pm: add an event and stacktrace if fork fails

git-svn-id: https://svn.fhem.de/fhem/trunk/fhem@17552 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 FHEM/Blocking.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/FHEM/Blocking.pm b/FHEM/Blocking.pm
index 7ac415ca5..423a1ba63 100644
--- a/FHEM/Blocking.pm
+++ b/FHEM/Blocking.pm
@@ -172,6 +172,8 @@ BlockingStart(;$)
     my $pid = fhemFork;
     if(!defined($pid)) {
       Log 1, "Cannot fork: $!";
+      stacktrace() if(AttrVal("global", "verbose", 1) >= 5);
+      DoTrigger("global", "CANNOT_FORK", 1);
       return $curr;
     }