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/* Iterate a function over the ports in a class.
Copyright (C) 1999 Free Software Foundation, Inc.
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
#include "ports.h"
#include <cthreads.h>
error_t
ports_class_iterate (struct port_class *class,
error_t (*fun)(void *))
{
mutex_lock (&_ports_lock);
if (class->ports != 0)
{
struct port_bucket *bucket = class->ports->bucket;
mutex_unlock (&_ports_lock);
return _ports_bucket_class_iterate (bucket, class, fun);
}
mutex_unlock (&_ports_lock);
return 0;
}
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