diff options
Diffstat (limited to 'usr/src/uts/common/sys/refstr_impl.h')
| -rw-r--r-- | usr/src/uts/common/sys/refstr_impl.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/usr/src/uts/common/sys/refstr_impl.h b/usr/src/uts/common/sys/refstr_impl.h new file mode 100644 index 0000000000..66fd9ef063 --- /dev/null +++ b/usr/src/uts/common/sys/refstr_impl.h @@ -0,0 +1,55 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 1999 by Sun Microsystems, Inc. + * All rights reserved. + */ + +#ifndef _SYS_REFSTR_IMPL_H +#define _SYS_REFSTR_IMPL_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/types.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Strings with reference counts. + * The refstr_t definition is private to the implementation. + * <sys/refstr.h> just declares it as a 'struct refstr'. + * We require there never to be an allocation larger than 4 Gbytes. + */ + +struct refstr { + uint32_t rs_size; /* allocation size */ + uint32_t rs_refcnt; /* reference count */ + char rs_string[1]; /* constant string */ +}; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_REFSTR_IMPL_H */ |