Don't pretend that vncserver -fg & works, because closing stdin causes problems with some WM's. Instead, just revert to the original vncserver -fg code and add a separate option for auto-killing Xvnc when run in "background" mode.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/branches/1_1@4361 3789f03b-4d11-0410-bbf8-ca57d06f2519

unix/vncserver

@@ -122,7 +122,7 @@ if ($fontPath eq "") {
 # Check command line options
 
 &ParseOptions("-geometry",1,"-depth",1,"-pixelformat",1,"-name",1,"-kill",1,
-	      "-help",0,"-h",0,"--help",0,"-fp",1,"-list",0,"-fg",0);
+	      "-help",0,"-h",0,"--help",0,"-fp",1,"-list",0,"-fg",0,"-autokill",0);
 
 &Usage() if ($opt{'-help'} || $opt{'-h'} || $opt{'--help'});
 
@@ -338,10 +338,19 @@ if (-e "/tmp/.X11-unix/X$displayNumber" ||
 $ENV{VNCDESKTOP}= $desktopName;
 
 if ($opt{'-fg'}) {
-    close(STDIN);
-    system("($vncUserDir/xstartup; $0 -kill :$displayNumber) >> " . &quotedString($desktopLog) . " 2>&1");
+    system("$vncUserDir/xstartup >> " . &quotedString($desktopLog) . " 2>&1");
+    if (kill 0, `cat $pidFile`) {
+        $opt{'-kill'} = ':'.$displayNumber;
+        &Kill();
+    }
 } else {
-    system("$vncUserDir/xstartup >> " . &quotedString($desktopLog) . " 2>&1 &");
+    if ($opt{'-autokill'}) {
+        system("($vncUserDir/xstartup; $0 -kill :$displayNumber) >> "
+            . &quotedString($desktopLog) . " 2>&1 &");
+    } else {
+        system("$vncUserDir/xstartup >> " . &quotedString($desktopLog)
+            . " 2>&1 &");
+    }
 }
 
 exit;
@@ -564,6 +573,7 @@ sub Usage
 	"                 [-pixelformat rgbNNN|bgrNNN]\n".
 	"                 [-fp <font-path>]\n".
 	"                 [-fg]\n".
+	"                 [-autokill]\n".
 	"                 <Xvnc-options>...\n\n".
 	"       $prog -kill <X-display>\n\n".
 	"       $prog -list\n\n");

unix/vncserver.man

@@ -15,6 +15,7 @@ vncserver \- start or stop a VNC server
 .RB [ \-fp
 .IR font-path ]
 .RB [ \-fg ]
+.RB [ \-autokill ]
 .RI [ Xvnc-options... ]
 .br
 .BI "vncserver \-kill :" display#
@@ -113,6 +114,12 @@ can be aborted with CTRL-C, and (2) the VNC server will exit as soon as the
 user logs out of the window manager in the VNC session.  This may be necessary
 when launching TigerVNC from within certain grid computing environments.
 
+.TP
+.B \-autokill
+Automatically kill Xvnc whenever the xstartup script exits.  In most cases,
+this has the effect of terminating Xvnc when the user logs out of the window
+manager.
+
 .SH FILES
 Several VNC-related files are found in the directory $HOME/.vnc:
 .TP