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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 <assert.h>
void
ports_port_deref_weak (void *portstruct)
{
struct port_info *pi = portstruct;
mutex_lock (&_ports_lock);
assert (pi->weakrefcnt);
pi->weakrefcnt--;
if (pi->refcnt == 0 && pi->weakrefcnt == 0)
_ports_complete_deallocate (pi);
else
mutex_unlock (&_ports_lock);
}
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