From 345abeda66c8aa5cb4d121fc8455cbe8053b9db6 Mon Sep 17 00:00:00 2001
From: Justus Winter <justus@gnupg.org>
Date: Tue, 1 Nov 2016 16:29:31 +0100
Subject: mach-defpager: Fix daemonization.

* mach-defpager/main.c (main): Do not hang if the child dies.
---
 mach-defpager/main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mach-defpager/main.c b/mach-defpager/main.c
index e33c2b33..71615c8f 100644
--- a/mach-defpager/main.c
+++ b/mach-defpager/main.c
@@ -104,9 +104,11 @@ main (int argc, char **argv)
 	 exitting, and the child sends that signal after it is set up.  */
       sigset_t set;
       signal (SIGUSR1, nohandler);
+      signal (SIGCHLD, nohandler);
       sigemptyset (&set);
       sigaddset (&set, SIGUSR1);
-      sigprocmask (SIG_BLOCK, &set, 0);
+      sigaddset (&set, SIGCHLD);
+      sigprocmask (SIG_SETMASK, &set, NULL);
       switch (fork ())
 	{
 	case -1:
-- 
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