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/* Create a port bucket
Copyright (C) 1995, 1997, 2001 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 <errno.h>
#include <stdlib.h>
#include <hurd/ihash.h>
#include <cthreads.h>
struct port_bucket *
ports_create_bucket ()
{
struct port_bucket *ret;
error_t err;
ret = malloc (sizeof (struct port_bucket));
if (! ret)
{
errno = ENOMEM;
return NULL;
}
err = mach_port_allocate (mach_task_self (), MACH_PORT_RIGHT_PORT_SET,
&ret->portset);
if (err)
{
errno = err;
free (ret);
return NULL;
}
err = ihash_create (&ret->htable);
if (err)
{
errno = err;
mach_port_mod_refs (mach_task_self (), ret->portset,
MACH_PORT_RIGHT_PORT_SET, -1);
free (ret);
return NULL;
}
ret->rpcs = ret->flags = ret->count = 0;
mutex_lock (&_ports_lock);
ret->next = _ports_all_buckets;
_ports_all_buckets = ret;
mutex_unlock (&_ports_lock);
return ret;
}
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