commit eec9d17947acf97424493c948c573949b3fdf570
parent e3dde3a1cd5750a65f7964578bf513a0093def39
Author: Gerrit Pape <pape@smarden.org>
Date: Mon, 5 May 2008 21:15:00 +0000
* doc/benefits.html: minor additions.
Diffstat:
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/doc/benefits.html b/doc/benefits.html
@@ -37,6 +37,10 @@ This reliable interface to control daemons and supervisors obsoletes
pid-guessing programs, such as <tt>pidof</tt>, <tt>killall</tt>,
<tt>start-stop-daemon</tt>, which, due to guessing, are prone to failures
by design.
+It also obsoletes so called <tt>pid-files</tt>, no need for each and every
+service daemon to include code to daemonize, to write the new process id
+into a file, and to take care that the file is removed properly on shutdown,
+which might be very difficult in case of a crash.
<hr>
<a name="state"><h3>Clean process state</h3></a>
<i>runit</i> guarantees each service a clean process state, no matter if the
@@ -81,6 +85,12 @@ With bad init scripts miraculous things could also happen when just doing
# /etc/init.d/foo-daemon restart
</pre>
at the command line.
+<p>
+The clean process state includes open file descriptors, obsoleting the
+widely used hack in many service daemons to force-close all file descriptors
+that might be open, up to the limit of available file descriptors for the
+daemon process (often results in 1024 unnecessary close() system calls in a
+great number of service daemon implementations).
<hr>
<a name="log"><h3>Reliable logging facility</h3></a>
The <a href="runsv.8.html">runsv</a> program provides a reliable logging
diff --git a/package/CHANGES b/package/CHANGES
@@ -4,6 +4,7 @@
* change default directory for services from /var/service/ to /service/.
* runsv.c: create temporary new status files for log/supervise/ actually
in log/supervise/.
+ * doc/benefits.html: minor additions.
1.8.0
Fri, 21 Sep 2007 00:33:56 +0000
