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idr.h revision 1.2
      1  1.2  riastrad /*	$NetBSD: idr.h,v 1.2 2014/03/18 18:20:43 riastradh Exp $	*/
      2  1.2  riastrad 
      3  1.2  riastrad /*-
      4  1.2  riastrad  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      5  1.2  riastrad  * All rights reserved.
      6  1.2  riastrad  *
      7  1.2  riastrad  * This code is derived from software contributed to The NetBSD Foundation
      8  1.2  riastrad  * by Taylor R. Campbell.
      9  1.2  riastrad  *
     10  1.2  riastrad  * Redistribution and use in source and binary forms, with or without
     11  1.2  riastrad  * modification, are permitted provided that the following conditions
     12  1.2  riastrad  * are met:
     13  1.2  riastrad  * 1. Redistributions of source code must retain the above copyright
     14  1.2  riastrad  *    notice, this list of conditions and the following disclaimer.
     15  1.2  riastrad  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2  riastrad  *    notice, this list of conditions and the following disclaimer in the
     17  1.2  riastrad  *    documentation and/or other materials provided with the distribution.
     18  1.2  riastrad  *
     19  1.2  riastrad  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.2  riastrad  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.2  riastrad  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.2  riastrad  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.2  riastrad  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.2  riastrad  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.2  riastrad  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.2  riastrad  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.2  riastrad  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.2  riastrad  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.2  riastrad  * POSSIBILITY OF SUCH DAMAGE.
     30  1.2  riastrad  */
     31  1.2  riastrad 
     32  1.2  riastrad #ifndef _LINUX_IDR_H_
     33  1.2  riastrad #define _LINUX_IDR_H_
     34  1.2  riastrad 
     35  1.2  riastrad #include <sys/types.h>
     36  1.2  riastrad #include <sys/rwlock.h>
     37  1.2  riastrad #include <sys/rbtree.h>
     38  1.2  riastrad 
     39  1.2  riastrad /* XXX Stupid expedient algorithm should be replaced by something better.  */
     40  1.2  riastrad 
     41  1.2  riastrad struct idr {
     42  1.2  riastrad 	kmutex_t idr_lock;
     43  1.2  riastrad 	rb_tree_t idr_tree;
     44  1.2  riastrad 	struct idr_node *idr_temp;
     45  1.2  riastrad };
     46  1.2  riastrad 
     47  1.2  riastrad /* XXX Make the nm output a little more greppable...  */
     48  1.2  riastrad #define	idr_init		linux_idr_init
     49  1.2  riastrad #define	idr_destroy		linux_idr_destroy
     50  1.2  riastrad #define	idr_find		linux_idr_find
     51  1.2  riastrad #define	idr_replace		linux_idr_replace
     52  1.2  riastrad #define	idr_remove		linux_idr_remove
     53  1.2  riastrad #define	idr_remove_all		linux_idr_remove_all
     54  1.2  riastrad #define	idr_pre_get		linux_idr_pre_get
     55  1.2  riastrad #define	idr_get_new_above	linux_idr_get_new_above
     56  1.2  riastrad #define	idr_for_each		linux_idr_for_each
     57  1.2  riastrad 
     58  1.2  riastrad void	idr_init(struct idr *);
     59  1.2  riastrad void	idr_destroy(struct idr *);
     60  1.2  riastrad void	*idr_find(struct idr *, int);
     61  1.2  riastrad void	*idr_replace(struct idr *, void *, int);
     62  1.2  riastrad void	idr_remove(struct idr *, int);
     63  1.2  riastrad void	idr_remove_all(struct idr *);
     64  1.2  riastrad int	idr_pre_get(struct idr *, int);
     65  1.2  riastrad int	idr_get_new_above(struct idr *, void *, int, int *);
     66  1.2  riastrad int	idr_for_each(struct idr *, int (*)(int, void *, void *), void *);
     67  1.2  riastrad 
     68  1.2  riastrad #endif  /* _LINUX_IDR_H_ */
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