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package/polkit: add upstream fix for SIGTTOU

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If tty_handler() resets terminal while pkttyagent is run in background job,
the process gets stopped by SIGTTOU. This impacts systemctl, hence it must
be blocked for a while and then the process gets killed anyway.

Upstream commit: 28e3a6653d8c3777b07e0128a0d97d46e586e311

Signed-off-by: Adam Duskett <Aduskett@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 0d749be3e1)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Adam Duskett 2020-04-17 19:58:15 -07:00 committed by Peter Korsgaard
parent 148f82ca0b
commit bad149c07c
1 changed files with 34 additions and 0 deletions
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34
package/polkit/0003-polkit-0.116-pkttyagent-sigttou-bg-job.patch Normal file
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@ -0,0 +1,34 @@
From 76aae4fce586b400f5fe08df31497db19d624609 Mon Sep 17 00:00:00 2001
From: Jan Rybar <jrybar@redhat.com>
Date: Thu, 1 Aug 2019 06:46:10 +0000
Subject: [PATCH] pkttyagent: process stopped by SIGTTOU if run in background
job
(cherry picked from commit 76aae4fce586b400f5fe08df31497db19d624609)
Signed-off-by: Jan Rybar <jrybar@redhat.com>
Signed-off-by: Adam Duskett <aduskett@gmail.com>
---
src/programs/pkttyagent.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/programs/pkttyagent.c b/src/programs/pkttyagent.c
index 3c8d502..13879a2 100644
--- a/src/programs/pkttyagent.c
+++ b/src/programs/pkttyagent.c
@@ -264,6 +264,12 @@ main (int argc, char *argv[])
memset (&sa, 0, sizeof (sa));
sa.sa_handler = &tty_handler;
+/* If tty_handler() resets terminal while pkttyagent is run in background job,
+ the process gets stopped by SIGTTOU. This impacts systemctl, hence it must
+ be blocked for a while and then the process gets killed anyway.
+ */
+ sigemptyset(&sa.sa_mask);
+ sigaddset(&sa.sa_mask, SIGTTOU);
sigaction (SIGTERM, &sa, &savesigterm);
sigaction (SIGINT, &sa, &savesigint);
sigaction (SIGTSTP, &sa, &savesigtstp);
--
2.24.1