From abaefdf829383b1403a516770b8a7eb8521dc8c5 Mon Sep 17 00:00:00 2001
From: weetmuts <oehrstroem@gmail.com>
Date: Tue, 13 Aug 2019 20:46:50 +0200
Subject: [PATCH] Properly reopen stdin,stdout and stderr in daemon.

---
 src/main.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/main.cc b/src/main.cc
index ace3177..9b48d0d 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -409,6 +409,15 @@ void startDaemon(string pid_file)
     close(STDOUT_FILENO);
     close(STDERR_FILENO);
 
+    if (open("/dev/null", O_RDONLY) == -1) {
+        error("Failed to reopen stdin while daemonising (errno=%d)",errno);
+    }
+    if (open("/dev/null", O_WRONLY) == -1) {
+        error("Failed to reopen stdout while daemonising (errno=%d)",errno);
+    }
+    if (open("/dev/null", O_RDWR) == -1) {
+        error("Failed to reopen stderr while daemonising (errno=%d)",errno);
+    }
     startUsingConfigFiles("", true);
 }