--- coreutils-5.93/src/su.c.setsid	2005-11-14 10:35:48.000000000 +0000

+++ coreutils-5.93/src/su.c	2005-11-14 10:53:03.000000000 +0000

@@ -497,6 +497,8 @@

   if (child == 0) {  /* child shell */

   change_identity (pw);

   pam_end(pamh, 0);

+  if (command)

+    setsid ();

 #endif

   if (simulate_login)

@@ -551,13 +553,27 @@

     sigemptyset(&action.sa_mask);

     action.sa_flags = 0;

     sigemptyset(&ourset);

-    if (sigaddset(&ourset, SIGTERM)

-        || sigaddset(&ourset, SIGALRM)

-        || sigaction(SIGTERM, &action, NULL)

-        || sigprocmask(SIG_UNBLOCK, &ourset, NULL)) {

+    if (command)

+      {

+	if (sigaddset(&ourset, SIGINT) || sigaddset(&ourset, SIGQUIT))

+	  {

+	    fprintf(stderr, "%s: signal masking malfunction\n", PROGRAM_NAME);

+	    caught = 1;

+	  }

+      }

+    if (!caught && (sigaddset(&ourset, SIGTERM)

+		    || sigaddset(&ourset, SIGALRM)

+		    || sigaction(SIGTERM, &action, NULL)

+		    || sigprocmask(SIG_UNBLOCK, &ourset, NULL))) {

       fprintf(stderr, "%s: signal masking malfunction\n", PROGRAM_NAME);

       caught = 1;

     }

+    if (!caught && command && (sigaction(SIGINT, &action, NULL)

+			       || sigaction(SIGQUIT, &action, NULL)))

+      {

+	fprintf(stderr, "%s: signal masking malfunction\n", PROGRAM_NAME);

+	caught = 1;

+      }

   }

   if (!caught) {

     do {