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/* 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 <stdlib.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. */
kern_return_t
do_mach_notify_dead_name (mach_port_t notify,
mach_port_t deadport)
{
struct proc *p;
if (notify == generic_port)
{
check_dead_execdata_notify (deadport);
return 0;
}
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;
}
/* We get no-senders notifications on exception ports that we
handle through proc_handle_exceptions. */
kern_return_t
do_mach_notify_no_senders (mach_port_t notify,
mach_port_mscount_t mscount)
{
struct exc *e = exc_find (notify);
if (!e)
return EOPNOTSUPP;
remove_exc_from_hash (e);
mach_port_mod_refs (mach_task_self (), e->excport,
MACH_PORT_RIGHT_RECEIVE, -1);
mach_port_deallocate (mach_task_self (), e->forwardport);
if (e->replyport != MACH_PORT_NULL)
mach_port_deallocate (mach_task_self (), e->replyport);
free (e);
return 0;
}
kern_return_t
do_mach_notify_port_deleted (mach_port_t notify,
mach_port_t name)
{
return 0;
}
kern_return_t
do_mach_notify_msg_accepted (mach_port_t notify,
mach_port_t name)
{
return 0;
}
kern_return_t
do_mach_notify_port_destroyed (mach_port_t notify,
mach_port_t name)
{
return 0;
}
kern_return_t
do_mach_notify_send_once (mach_port_t notify)
{
return 0;
}
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