From a75a12e96596bb0af906a4ac303dd04584c22cf0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= <egil@erlang.org>
Date: Mon, 20 Apr 2015 15:28:33 +0200
Subject: kernel: Document heart environment HEART_KILL_SIGNAL

---
 lib/kernel/doc/src/heart.xml | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'lib/kernel/doc/src/heart.xml')

diff --git a/lib/kernel/doc/src/heart.xml b/lib/kernel/doc/src/heart.xml
index 3ec33d2f18..a424d2978e 100644
--- a/lib/kernel/doc/src/heart.xml
+++ b/lib/kernel/doc/src/heart.xml
@@ -78,6 +78,16 @@
 
     <pre>
 % <input>erl -heart -env ERL_CRASH_DUMP_SECONDS 10 ...</input></pre>
+
+  <p> If a regular core dump is wanted, let heart know by setting the kill signal to abort
+      using the environment variable <c><![CDATA[HEART_KILL_SIGNAL=SIGABRT]]></c>.
+      If unset, or not set to <c><![CDATA[SIGABRT]]></c>, the default behaviour will be a kill
+      signal using <c><![CDATA[SIGKILL]]></c>.
+  </p>
+
+    <pre>
+% <input>erl -heart -env HEART_KILL_SIGNAL SIGABRT ...</input></pre>
+
   <p>
 	  Furthermore, <c><![CDATA[ERL_CRASH_DUMP_SECONDS]]></c> has the following behaviour on
 	  <c>heart</c>:
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