|
 |
ff2b41 |
From 928f72e2070685886c0266891a74ca266587755a Mon Sep 17 00:00:00 2001
|
|
|
ff2b41 |
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
|
|
|
ff2b41 |
Date: Mon, 30 Jan 2017 13:06:10 -0500
|
|
|
ff2b41 |
Subject: [PATCH] systemctl: ignore SIGTERM after switch root
|
|
|
ff2b41 |
|
|
|
ff2b41 |
https://bugzilla.redhat.com/show_bug.cgi?id=1414904#c14 and #c15.
|
|
|
ff2b41 |
(cherry picked from commit 8a7a9ceab204fb02fd5d93a765b36b31efeb9beb)
|
|
|
ff2b41 |
|
|
|
ff2b41 |
Resolves: #1754053
|
|
|
ff2b41 |
---
|
|
|
ff2b41 |
src/systemctl/systemctl.c | 10 ++++++++++
|
|
|
ff2b41 |
1 file changed, 10 insertions(+)
|
|
|
ff2b41 |
|
|
|
ff2b41 |
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
|
|
|
ff2b41 |
index 0928e2972a..398727cc7d 100644
|
|
|
ff2b41 |
--- a/src/systemctl/systemctl.c
|
|
|
ff2b41 |
+++ b/src/systemctl/systemctl.c
|
|
|
ff2b41 |
@@ -5066,6 +5066,14 @@ static int switch_root(sd_bus *bus, char **args) {
|
|
|
ff2b41 |
* though the switch to the new root has succeed. */
|
|
|
ff2b41 |
argv_cmdline[0] = '@';
|
|
|
ff2b41 |
|
|
|
ff2b41 |
+ /* If we are slow to exit after the root switch, the new systemd instance
|
|
|
ff2b41 |
+ * will send us a signal to terminate. Just ignore it and exit normally.
|
|
|
ff2b41 |
+ * This way the unit does not end up as failed.
|
|
|
ff2b41 |
+ */
|
|
|
ff2b41 |
+ r = ignore_signals(SIGTERM, -1);
|
|
|
ff2b41 |
+ if (r < 0)
|
|
|
ff2b41 |
+ log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m");
|
|
|
ff2b41 |
+
|
|
|
ff2b41 |
log_debug("Switching root - root: %s; init: %s", root, strna(init));
|
|
|
ff2b41 |
|
|
|
ff2b41 |
r = sd_bus_call_method(
|
|
|
ff2b41 |
@@ -5078,6 +5086,8 @@ static int switch_root(sd_bus *bus, char **args) {
|
|
|
ff2b41 |
NULL,
|
|
|
ff2b41 |
"ss", root, init);
|
|
|
ff2b41 |
if (r < 0) {
|
|
|
ff2b41 |
+ (void) default_signals(SIGTERM, -1);
|
|
|
ff2b41 |
+
|
|
|
ff2b41 |
log_error("Failed to switch root: %s", bus_error_message(&error, r));
|
|
|
ff2b41 |
return r;
|
|
|
ff2b41 |
}
|