35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
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From 76aae4fce586b400f5fe08df31497db19d624609 Mon Sep 17 00:00:00 2001
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From: Jan Rybar <jrybar@redhat.com>
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Date: Thu, 1 Aug 2019 06:46:10 +0000
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Subject: [PATCH] pkttyagent: process stopped by SIGTTOU if run in background
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job
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(cherry picked from commit 76aae4fce586b400f5fe08df31497db19d624609)
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Signed-off-by: Jan Rybar <jrybar@redhat.com>
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Signed-off-by: Adam Duskett <aduskett@gmail.com>
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---
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src/programs/pkttyagent.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/src/programs/pkttyagent.c b/src/programs/pkttyagent.c
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index 3c8d502..13879a2 100644
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--- a/src/programs/pkttyagent.c
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+++ b/src/programs/pkttyagent.c
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@@ -264,6 +264,12 @@ main (int argc, char *argv[])
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memset (&sa, 0, sizeof (sa));
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sa.sa_handler = &tty_handler;
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+/* If tty_handler() resets terminal while pkttyagent is run in background job,
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+ the process gets stopped by SIGTTOU. This impacts systemctl, hence it must
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+ be blocked for a while and then the process gets killed anyway.
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+ */
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+ sigemptyset(&sa.sa_mask);
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+ sigaddset(&sa.sa_mask, SIGTTOU);
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sigaction (SIGTERM, &sa, &savesigterm);
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sigaction (SIGINT, &sa, &savesigint);
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sigaction (SIGTSTP, &sa, &savesigtstp);
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--
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2.24.1
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