casa-mp-base

--- screen.c.orig   2009-01-21 12:06:11.000000000 +0800

+++ screen.c    2009-01-21 12:08:27.000000000 +0800

@@ -101,6 +101,11 @@

 #include "logfile.h"   /* islogfile, logfflush */

+#ifdef __APPLE__

+#include <vproc.h>

+#include "vproc_priv.h"

+#endif

+

 #ifdef DEBUG

 FILE *dfp;

 #endif

@@ -1211,6 +1216,11 @@

   freopen("/dev/null", "w", stderr);

   debug("-- screen.back debug started\n");

+#ifdef __APPLE__

+  if (_vprocmgr_move_subset_to_user(real_uid, "Background") != NULL)

+      errx(1, "can't migrate to background session");

+#endif

+

   /* 

    * This guarantees that the session owner is listed, even when we

    * start detached. From now on we should not refer to 'LoginName'