>Number: 92342
>Category: docs
>Synopsis: Enjoin to use the sh exec statement in the Porter's Handbook
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-doc
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Thu Jan 26 03:30:10 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator: Jean-Yves Lefort
>Release: FreeBSD 6.0-RELEASE i386
>Organization:
>Environment:
System: FreeBSD jsite.lefort.net 6.0-RELEASE FreeBSD 6.0-RELEASE #0: Wed Jan 25 19:57:13 CET 2006 jylefort@jsite.lefort.net:/usr/obj/usr/src/sys/JSITE i386
>Description:
A grammar/spelling review is recommended.
>How-To-Repeat:
>Fix:
Index: book.sgml
===================================================================
RCS file: /home/dcvs/doc/en_US.ISO8859-1/books/porters-handbook/book.sgml,v
retrieving revision 1.673
diff -u -r1.673 book.sgml
--- book.sgml 22 Jan 2006 23:20:29 -0000 1.673
+++ book.sgml 26 Jan 2006 03:25:20 -0000
@@ -9227,6 +9227,26 @@
for their files.</para>
</sect1>
+ <sect1 id="dads-sh-exec">
+ <title>Use the <function>exec</function> statement in wrapper scripts</title>
+
+ <para>If the port installs a shell script whose purpose is to launch
+ another program, and if launching that program is the last action
+ performed by the script, make sure to modify the script so that
+ it launches the program using the <function>exec</function>
+ statement, for instance:</para>
+
+ <programlisting>#!/bin/sh
+exec %%LOCALBASE%%/bin/java -jar %%DATADIR%%/foo.jar "$@"</programlisting>
+
+ <para>The <function>exec</function> statement replaces the shell
+ process with the specified program. If <function>exec</function>
+ is omitted, the shell process remains in memory while the
+ program is executing, and needlessly consumes system
+ resources.</para>
+
+ </sect1>
+
<sect1 id="dads-uid-and-gids">
<title>UIDs and GIDs</title>
>Release-Note:
>Audit-Trail:
>Unformatted:
_______________________________________________
freebsd-doc@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-doc
To unsubscribe, send any mail to "freebsd-doc-unsubscribe@freebsd.org"