1 /* $NetBSD: src/lib/libc/citrus/citrus_module.h,v 1.1 2002/03/17 22:14:20 tshiozak Exp $ */ 2 /* $DragonFly: src/lib/libc/citrus/citrus_module.h,v 1.3 2008/04/10 10:21:01 hasso Exp $ */ 3 4 /*- 5 * Copyright (c)2002 Citrus Project, 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 */ 30 31 #ifndef _CITRUS_MODULE_H_ 32 #define _CITRUS_MODULE_H_ 33 34 #include <sys/linker_set.h> 35 36 struct citrus_metadata { 37 const char *module_name; 38 const char *interface_name; 39 void *module_ops; 40 }; 41 42 #ifdef __PIC__ 43 #define CITRUS_MODULE(name, interface, ops) 44 #else 45 46 #define CITRUS_MODULE(name, interface, ops) \ 47 static const char __citrus_module_ ## name ## _ ## interface ## _str[] = \ 48 #name; \ 49 static struct citrus_metadata \ 50 __citrus_module_ ## name ## _ ## interface = { \ 51 __citrus_module_ ## name ## _ ##interface ## _str, \ 52 #interface, ops \ 53 }; \ 54 __weak_reference(__citrus_module_ ## name ## _ ## interface ## _str, \ 55 _citrus_module_ ## name); \ 56 DATA_SET(citrus_set, __citrus_module_ ## name ## _ ## interface); 57 #endif 58 59 typedef struct _citrus_module_rec *_citrus_module_t; 60 61 __BEGIN_DECLS 62 void *_citrus_find_getops(_citrus_module_t __restrict, 63 const char * __restrict, const char * __restrict); 64 int _citrus_load_module(_citrus_module_t * __restrict, 65 const char * __restrict); 66 void _citrus_unload_module(_citrus_module_t); 67 __END_DECLS 68 69 #endif 70