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/*
Copyright (C) 1995 Free Software Foundation, Inc.
Written by Michael I. Bushnell.
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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "ports.h"
#include <cthreads.h>
#include <hurd/ihash.h>
void *
ports_lookup_port (struct port_bucket *bucket,
mach_port_t port,
struct port_class *class)
{
struct port_info *pi = 0;
mutex_lock (&_ports_lock);
if (bucket)
pi = hurd_ihash_find (&bucket->htable, port);
else
for (bucket = _ports_all_buckets; bucket; bucket = bucket->next)
{
pi = hurd_ihash_find (&bucket->htable, port);
if (pi)
break;
}
if (pi && class && pi->class != class)
pi = 0;
if (pi)
pi->refcnt++;
mutex_unlock (&_ports_lock);
return pi;
}
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