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