From a2e14dc11cdd72f366a0e0058375ab5a34bc15af Mon Sep 17 00:00:00 2001
From: "Michael I. Bushnell" <mib@gnu.org>
Date: Tue, 22 Mar 1994 18:36:52 +0000
Subject: Initial revision

---
 proc/notify.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 proc/notify.c

(limited to 'proc/notify.c')

diff --git a/proc/notify.c b/proc/notify.c
new file mode 100644
index 00000000..664abe9e
--- /dev/null
+++ b/proc/notify.c
@@ -0,0 +1,58 @@
+/* Handle notifications
+   Copyright (C) 1992, 1993, 1994 Free Software Foundation
+
+This file is part of the GNU Hurd.
+
+The GNU Hurd is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+The GNU Hurd is distributed in the hope that it will be useful, 
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the GNU Hurd; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* Written by Michael I. Bushnell.  */
+
+#include <mach.h>
+#include <sys/types.h>
+#include <hurd/hurd_types.h>
+#include <mach/notify.h>
+#include <stdio.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <errno.h>
+
+#include "proc.h"
+#include "notify_S.h"
+
+/* We ask for dead name notifications to detect when tasks and
+   message ports die.  Both notifications get sent to the process
+   port.  */
+error_t
+do_mach_notify_dead_name (mach_port_t notify,
+			  mach_port_t deadport)
+{
+  struct proc *p = reqport_find (notify);
+  
+  if (!p)
+    return EOPNOTSUPP;
+  
+  if (p->p_reqport == deadport)
+    {
+      message_port_dead (p);
+      return 0;
+    }
+  else if (p->p_task == deadport)
+    {
+      process_has_exited (p);
+      return 0;
+    }
+  else
+    return EINVAL;
+}
-- 
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