From 17c03cf8f0a6339d78ad8fb968ef3b999d658034 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Mon, 17 Jul 2017 13:31:20 +0000
Subject:  Import /etc/rc.[init tini shutdown] examples from lh-bootstrap

---
 examples/rc.init     | 25 ++++++++++++++++++++++++-
 examples/rc.shutdown |  9 +++++----
 examples/rc.tini     | 13 +++++++++++++
 3 files changed, 42 insertions(+), 5 deletions(-)

diff --git a/examples/rc.init b/examples/rc.init
index e0b2b72..d71fd1a 100755
--- a/examples/rc.init
+++ b/examples/rc.init
@@ -1,4 +1,27 @@
 #!/bin/execlineb -P
 
+
+# Make sure the /dev/urandom entropy pool will be set in
+# a not-too-distant future. Ideally we'd block on this,
+# but it's not critical, so we don't.
+
+background -d { s6-fillurandompool }
+
+
+# Set the system clock to something sensible,
+# to get coherent logs until the initial NTP message
+
+if { s6-clock @40000000596c000000000000 }
+
+
+# Initialize the service manager
+
 if { s6-rc-init /run/service }
-s6-rc -u change ok-all
+
+
+# Run the service manager.
+# Call it twice because the first time may spuriously "timeout"
+# due to the clock jumping forward.
+
+if -nt { s6-rc -t 600000 -- change ok-all }
+s6-rc -t 600000 -- change ok-all
diff --git a/examples/rc.shutdown b/examples/rc.shutdown
index 18c898b..04d7357 100755
--- a/examples/rc.shutdown
+++ b/examples/rc.shutdown
@@ -1,19 +1,20 @@
 #!/bin/execlineb -S0
 
+foreground { s6-echo "Giving dying processes some grace time." }
+foreground { s6-sleep 2 }
 foreground { s6-echo "Syncing disks." }
 foreground { s6-sync }
 foreground { s6-echo "Sending all processes the TERM signal." }
 foreground { s6-nuke -th }
-s6-sleep 2
+foreground { s6-sleep 2 }
 foreground { s6-echo "Sending all processes the KILL signal." }
 foreground { s6-nuke -k }
 wait { }
 
-foreground { s6-echo "Syncing disks." }
+foreground { s6-echo "Syncing and unmounting disks." }
 foreground { s6-sync }
-foreground { s6-echo "Unmounting disks." }
 foreground { s6-umount -a }
-foreground { s6-mount -o ro,remount /dev/root / }
+foreground { s6-mount -ro remount /dev/root / }
 
 foreground { s6-echo "\nPerforming "${1}"." }
 s6-${1} -f
diff --git a/examples/rc.tini b/examples/rc.tini
index abefb22..02e7ec7 100755
--- a/examples/rc.tini
+++ b/examples/rc.tini
@@ -1,3 +1,16 @@
 #!/bin/execlineb -P
 
+
+# Write a message to /var/log/syslogd
+
+foreground
+{
+  s6-ipcclient -l0 /dev/log
+  fdmove 1 7
+  s6-echo "/etc/rc.tini: shutdown requested"
+}
+
+
+# Shut down all services
+
 s6-rc -da change
-- 
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