Description: close unused pipes to prevent freezing the UI

Bug: http://bugzilla.xfce.org/show_bug.cgi?id=4036

Author: Steve Tyler <stephent98@hotmail.com>

--- xfce4-genmon-plugin-3.2.orig/panel-plugin/cmdspawn.c	2007-11-23 07:32:40.000000000 -0800

+++ xfce4-genmon-plugin-3.2.new2/panel-plugin/cmdspawn.c	2008-04-28 21:18:28.000000000 -0700

@@ -184,6 +184,7 @@

             return (-1);

         case 0:

             /* Redirect stdout/stderr to associated pipe's write-ends */

+            close(0); /* stdin is not used in child */

             for (i = 0; i < OUT_ERR; i++) {

                 j = i + 1; // stdout/stderr file descriptor

                 close (j);

@@ -199,6 +200,9 @@

         exit (-1);

     }

+    for (i = 0; i < OUT_ERR; i++)

+        close (aaiPipe[i][WR]); /* close write end of pipes in parent */

+

     /* Wait for child completion */

     if (wait == 1)

     {

@@ -231,10 +235,9 @@

     }

     End:

-    /* Close created pipes */

+    /* Close read end of pipes */

     for (i = 0; i < OUT_ERR; i++)

-        for (j = 0; j < RD_WR; j++)

-            close (aaiPipe[i][j]);

+        close (aaiPipe[i][RD]);

     return (-fError);

 }// Spawn()