svn commit: r210221 - in head: bin/sh tools/regression/bin/sh/parser

[Jilles Tjoelker]

Author: jilles
Date: Sun Jul 18 12:45:31 2010
New Revision: 210221
URL: http://svn.freebsd.org/changeset/base/210221

Log:
  sh: Allow a background command consisting solely of redirections.
  
  Example:
    </dev/null &
  
  MFC after:	2 weeks

Added:
  head/tools/regression/bin/sh/parser/only-redir1.0   (contents, props changed)
Modified:
  head/bin/sh/parser.c

Modified: head/bin/sh/parser.c
==============================================================================
--- head/bin/sh/parser.c	Sun Jul 18 11:13:36 2010	(r210220)
+++ head/bin/sh/parser.c	Sun Jul 18 12:45:31 2010	(r210221)
@@ -554,6 +554,7 @@ TRACE(("expecting DO got %s %s\n", tokna
 		checkkwd = 1;
 		break;
 	/* Handle an empty command like other simple commands.  */
+	case TBACKGND:
 	case TSEMI:
 	case TAND:
 	case TOR:

Added: head/tools/regression/bin/sh/parser/only-redir1.0
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/tools/regression/bin/sh/parser/only-redir1.0	Sun Jul 18 12:45:31 2010	(r210221)
@@ -0,0 +1,3 @@
+# $FreeBSD$
+</dev/null &
+wait $!