From 6ea41cc620aab7060b73064419d0e359816b5a60 Mon Sep 17 00:00:00 2001
From: Jonas 'Sortie' Termansen <sortie@maxsi.org>
Date: Sat, 15 Jun 2013 16:28:33 +0200
Subject: [PATCH] Retrieve init process id from INIT_PID environmental
 variable.

---
 utils/mxsh.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/utils/mxsh.cpp b/utils/mxsh.cpp
index 739bc69f..95187164 100644
--- a/utils/mxsh.cpp
+++ b/utils/mxsh.cpp
@@ -326,7 +326,13 @@ int get_and_run_command(FILE* fp, const char* fpname, bool interactive,
 				*exitexec = true;
 				return status;
 			}
-			if ( getppid() == 1 )
+			const char* init_pid_str = getenv("INIT_PID");
+			if ( !init_pid_str)
+				init_pid_str = "1";
+			pid_t init_pid = (pid_t) atol(init_pid_str);
+			if ( !init_pid )
+				init_pid = 1;
+			if ( getppid() == init_pid )
 			{
 				printf("\nType exit to shutdown the system.\n");
 				return status;