From 9ad4cb6e6e88b85cb43c41eecc86b928a39ae28b Mon Sep 17 00:00:00 2001
From: Minijackson <minijackson@riseup.net>
Date: Wed, 21 Jun 2023 14:24:15 +0200
Subject: [PATCH] return special exit code when children is killed by signal

Allows the process parent of procServ to check if the child was
terminated abnormally.
---
 procServ.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/procServ.cc b/procServ.cc
index 750a6c1..e5baeea 100644
--- a/procServ.cc
+++ b/procServ.cc
@@ -799,6 +799,10 @@ void OnPollTimeout()
             snprintf(buf+strlen(buf), BUFLEN-strlen(buf),
                      " The process was killed by signal %d",
                      WTERMSIG(wstatus));
+            // In order to exit as if we were killed, by returning e.g. 137 if
+            // killed by SIGKILL.
+            // See: https://tldp.org/LDP/abs/html/exitcodes.html
+            childExitCode = 128 + WTERMSIG(wstatus);
         }
         strncat(buf, NL, BUFLEN-strlen(buf)-1);
         SendToAll(buf, strlen(buf), NULL);