From 5cdbd57875b268ddf0fb6949e4918a459aab2313 Mon Sep 17 00:00:00 2001
From: Joachim Nilsson <troglobit@gmail.com>
Date: Fri, 13 Jan 2017 07:48:00 +0100
Subject: [PATCH] reboot: Ignore SIGTERM at halt/poweroff

We want to emulate the behavior of the reboot() syscall on success.
Primarily for a coherency/symmetry, but also to prevent printing
a new shell prompt in the middle of system shutdown messages.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
---
 reboot.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/reboot.c b/reboot.c
index a5e5628e..384b2a16 100644
--- a/reboot.c
+++ b/reboot.c
@@ -85,6 +85,11 @@ static void transform(char *nm)
 	}
 }
 
+static void sig(int signo)
+{
+	(void)signo;		/* NOP */
+}
+
 static int usage(int rc)
 {
 	fprintf(stderr, "Usage: %s [OPTIONS]\n\n"
@@ -144,6 +149,9 @@ int main(int argc, char *argv[])
 	/* Check for any overrides */
 	transform(NULL);
 
+	/* Catch and ignore SIGTERM on halt/poweroff */
+	signal(SIGTERM, sig);
+
 	if (force) {
 		switch (cmd) {
 		case CMD_REBOOT: