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 #include <sys/types.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Strings with reference counts. 38 * The refstr_t definition is private to the implementation. 39 * <sys/refstr.h> just declares it as a 'struct refstr'. 40 * We require there never to be an allocation larger than 4 Gbytes. 41 */ 42 43 struct refstr { 44 uint32_t rs_size; /* allocation size */ 45 uint32_t rs_refcnt; /* reference count */ 46 char rs_string[1]; /* constant string */ 47 }; 48 49 #ifdef __cplusplus 50 } 51 #endif 52 53 #endif /* _SYS_REFSTR_IMPL_H */ 54