From 15bb297fbbc4822c37b21bb75c6159ecabd18388 Mon Sep 17 00:00:00 2001
From: Martin C Drohmann <martin@connectedsignals.com>
Date: Wed, 1 Jun 2016 12:12:44 -0700
Subject: [PATCH] Revert changes in daemonize.c from commit
22d6f39e7fb270d0c011bae820d2f8adc8b19061
---
lib/daemonize.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/lib/daemonize.c b/lib/daemonize.c
index e9162949..73b2d580 100644
--- a/lib/daemonize.c
+++ b/lib/daemonize.c
@@ -142,9 +142,20 @@ lws_daemonize(const char *_lock_path)
exit(9);
}
- /* If we got a good PID, then we can exit the parent process. */
- if (pid_daemon > 0)
- exit(0);
+ /* If we got a good PID, then we can exit the parent process. */
+ if (pid_daemon > 0) {
+
+ /*
+ * Wait for confirmation signal from the child via
+ * SIGCHILD / USR1, or for two seconds to elapse
+ * (SIGALRM). pause() should not return.
+ */
+ alarm(2);
+
+ pause();
+ /* should not be reachable */
+ exit(1);
+ }
/* At this point we are executing as the child process */
parent = getppid();
--
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