| 1 | /* $NetBSD: specificdata.h,v 1.4 2008/04/28 20:24:11 martin Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2006 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Jason R. Thorpe. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #ifndef _SYS_SPECIFICDATA_H_ |
| 33 | #define _SYS_SPECIFICDATA_H_ |
| 34 | |
| 35 | #include <sys/mutex.h> |
| 36 | |
| 37 | typedef unsigned int specificdata_key_t; |
| 38 | typedef void (*specificdata_dtor_t)(void *); |
| 39 | typedef struct specificdata_domain *specificdata_domain_t; |
| 40 | typedef struct specificdata_container *specificdata_container_t; |
| 41 | |
| 42 | typedef struct { |
| 43 | specificdata_container_t specdataref_container; |
| 44 | kmutex_t specdataref_lock; |
| 45 | } specificdata_reference; |
| 46 | |
| 47 | specificdata_domain_t specificdata_domain_create(void); |
| 48 | void specificdata_domain_delete(specificdata_domain_t); |
| 49 | |
| 50 | int specificdata_key_create(specificdata_domain_t, |
| 51 | specificdata_key_t *, specificdata_dtor_t); |
| 52 | void specificdata_key_delete(specificdata_domain_t, specificdata_key_t); |
| 53 | |
| 54 | int specificdata_init(specificdata_domain_t, specificdata_reference *); |
| 55 | void specificdata_fini(specificdata_domain_t, specificdata_reference *); |
| 56 | |
| 57 | void * specificdata_getspecific(specificdata_domain_t, |
| 58 | specificdata_reference *, specificdata_key_t); |
| 59 | void * specificdata_getspecific_unlocked(specificdata_domain_t, |
| 60 | specificdata_reference *, |
| 61 | specificdata_key_t); |
| 62 | void specificdata_setspecific(specificdata_domain_t, |
| 63 | specificdata_reference *, specificdata_key_t, |
| 64 | void *); |
| 65 | int specificdata_setspecific_nowait(specificdata_domain_t, |
| 66 | specificdata_reference *, |
| 67 | specificdata_key_t, void *); |
| 68 | |
| 69 | #endif /* _SYS_SPECIFICDATA_H_ */ |
| 70 | |