1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1999 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #ifndef _SYS_REFSTR_IMPL_H 28 #define _SYS_REFSTR_IMPL_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* 39 * Strings with reference counts. 40 * The refstr_t definition is private to the implementation. 41 * <sys/refstr.h> just declares it as a 'struct refstr'. 42 * We require there never to be an allocation larger than 4 Gbytes. 43 */ 44 45 struct refstr { 46 uint32_t rs_size; /* allocation size */ 47 uint32_t rs_refcnt; /* reference count */ 48 char rs_string[1]; /* constant string */ 49 }; 50 51 #ifdef __cplusplus 52 } 53 #endif 54 55 #endif /* _SYS_REFSTR_IMPL_H */ 56