1 files changed, 31 insertions, 0 deletions
diff --git a/hurd/port-cleanup.c b/hurd/port-cleanup.c
new file mode 100644
index 0000000000..556baaace0
--- /dev/null
+++ b/hurd/port-cleanup.c
@@ -0,0 +1,31 @@
+/* Cleanup function for `struct hurd_port' users who longjmp.
+Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <mach.h>
+#include <hurd/port.h>
+
+/* The last user of the send right CLEANUP_DATA is now doing
+   `longjmp (ENV, VAL)', and this will unwind the frame of
+   that last user.  Deallocate the right he will never get back to using.  */
+
+void
+_hurd_port_cleanup (void *cleanup_data, jmp_buf env, int val)
+{
+  __mach_port_deallocate (__mach_task_self (), (mach_port_t) cleanup_data);
+}