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- /* Copyright (C) 1991, 1992, 1993, 1994 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 <hurd.h>
- #include <gnu-stabs.h>
-
- pid_t _hurd_pid, _hurd_ppid, _hurd_pgrp;
- int _hurd_orphaned;
-
- static void
- init_pids (void)
- {
- __USEPORT (PROC,
- ({
- __proc_getpids (port, &_hurd_pid, &_hurd_ppid, &_hurd_orphaned);
- __proc_getpgrp (port, _hurd_pid, &_hurd_pgrp);
- }));
-
- (void) &init_pids; /* Avoid "defined but not used" warning. */
- }
-
- text_set_element (_hurd_proc_subinit, init_pids);
-
- #include <hurd/msg_server.h>
- #include "set-hooks.h"
- #include <cthreads.h>
-
- DEFINE_HOOK (_hurd_pgrp_changed_hook, (pid_t));
-
- /* These let user threads synchronize with an operation which changes ids. */
- unsigned int _hurd_pids_changed_stamp;
- struct condition _hurd_pids_changed_sync;
-
- kern_return_t
- _S_proc_newids (mach_port_t me,
- task_t task,
- pid_t ppid, pid_t pgrp, int orphaned)
- {
- if (task != __mach_task_self ())
- return EPERM;
-
- __mach_port_deallocate (__mach_task_self (), task);
-
- _hurd_ppid = ppid;
- _hurd_pgrp = pgrp;
- _hurd_orphaned = orphaned;
-
- /* Run things that want notification of a pgrp change. */
- RUN_HOOK (_hurd_pgrp_changed_hook, (_hurd_pgrp));
-
- /* Notify any waiting user threads that the id change as been completed. */
- ++_hurd_pids_changed_stamp;
- #ifdef noteven
- __condition_broadcast (&_hurd_pids_changed_sync);
- #endif
-
- return 0;
- }
-