hurd/port-cleanup.c

   1 /* Cleanup function for `struct hurd_port' users who longjmp.
   2 Copyright (C) 1995 Free Software Foundation, Inc.
   3 This file is part of the GNU C Library.
   4
   5 The GNU C Library is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 License, or (at your option) any later version.
   9
  10 The GNU C Library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with the GNU C Library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, USA.  */
  19
  20 #include <mach.h>
  21 #include <hurd/port.h>
  22
  23 /* The last user of the send right CLEANUP_DATA is now doing
  24    `longjmp (ENV, VAL)', and this will unwind the frame of
  25    that last user.  Deallocate the right he will never get back to using.  */
  26
  27 void
  28 _hurd_port_cleanup (void *cleanup_data, jmp_buf env, int val)
  29 {
  30   __mach_port_deallocate (__mach_task_self (), (mach_port_t) cleanup_data);
  31 }