From 5267747297a0cd5c5b951da3d8a1c117fe9c4bd5 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Sun, 17 Nov 2019 11:41:09 +0000
Subject: [PATCH] Fix #6147 DB corruption from child process overwrite

Don't leave stdout/stderr dangling on a fork.
---
 src/daemonizer/posix_fork.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/daemonizer/posix_fork.cpp b/src/daemonizer/posix_fork.cpp
index 5af4e1a4a..16758215d 100644
--- a/src/daemonizer/posix_fork.cpp
+++ b/src/daemonizer/posix_fork.cpp
@@ -127,13 +127,18 @@ void fork(const std::string & pidfile)
   {
     quit("Unable to open output file: " + output);
   }
+#else
+  if (open("/dev/null", O_WRONLY) < 0)
+  {
+    quit("Unable to open /dev/null");
+  }
+#endif
 
   // Also send standard error to the same log file.
   if (dup(1) < 0)
   {
     quit("Unable to dup output descriptor");
   }
-#endif
 }
 
 } // namespace posix