From d059885d9bcb254c9b3673cb5ee223df8faea510 Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@icinga.com>
Date: Tue, 3 Jan 2023 18:29:31 +0100
Subject: [PATCH] Main process: ignore SIGHUP

On OpenBSD rcctl reload icinga2 SIGHUPs all "icinga2" processes,
not just our umbrella. We must handle this.
---
 lib/cli/daemoncommand.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/cli/daemoncommand.cpp b/lib/cli/daemoncommand.cpp
index b92ab79a7..28ab0459d 100644
--- a/lib/cli/daemoncommand.cpp
+++ b/lib/cli/daemoncommand.cpp
@@ -499,6 +499,14 @@ static pid_t StartUnixWorker(const std::vector<std::string>& configs, bool close
 					sa.sa_handler = SIG_DFL;
 
 					(void)sigaction(SIGUSR1, &sa, nullptr);
+				}
+
+				{
+					struct sigaction sa;
+					memset(&sa, 0, sizeof(sa));
+
+					sa.sa_handler = SIG_IGN;
+
 					(void)sigaction(SIGHUP, &sa, nullptr);
 				}