LCOM1920-T02G10

/*        $NetBSD: specificdata.h,v 1.4 2008/04/28 20:24:11 martin Exp $        */

/*-

 * Copyright (c) 2006 The NetBSD Foundation, Inc.

 * All rights reserved.

 *

 * This code is derived from software contributed to The NetBSD Foundation

 * by Jason R. Thorpe.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS

 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED

 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS

 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef _SYS_SPECIFICDATA_H_

#define        _SYS_SPECIFICDATA_H_

#include <sys/mutex.h>

typedef unsigned int specificdata_key_t;

typedef void (*specificdata_dtor_t)(void *);

typedef struct specificdata_domain *specificdata_domain_t;

typedef struct specificdata_container *specificdata_container_t;

typedef struct {

        specificdata_container_t specdataref_container;

        kmutex_t specdataref_lock;

} specificdata_reference;

specificdata_domain_t        specificdata_domain_create(void);

void                        specificdata_domain_delete(specificdata_domain_t);

int        specificdata_key_create(specificdata_domain_t,

                                specificdata_key_t *, specificdata_dtor_t);

void        specificdata_key_delete(specificdata_domain_t, specificdata_key_t);

int        specificdata_init(specificdata_domain_t, specificdata_reference *);

void        specificdata_fini(specificdata_domain_t, specificdata_reference *);

void *        specificdata_getspecific(specificdata_domain_t,

                                 specificdata_reference *, specificdata_key_t);

void *        specificdata_getspecific_unlocked(specificdata_domain_t,

                                          specificdata_reference *,

                                          specificdata_key_t);

void        specificdata_setspecific(specificdata_domain_t,

                                 specificdata_reference *, specificdata_key_t,

                                 void *);

int        specificdata_setspecific_nowait(specificdata_domain_t,

                                        specificdata_reference *,

                                        specificdata_key_t, void *);

#endif /* _SYS_SPECIFICDATA_H_ */