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_ */ 69
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