diff options
Diffstat (limited to 'sys/sys/map.h')
| -rw-r--r-- | sys/sys/map.h | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/sys/sys/map.h b/sys/sys/map.h deleted file mode 100644 index a476f19f54e..00000000000 --- a/sys/sys/map.h +++ /dev/null @@ -1,87 +0,0 @@ -/* $OpenBSD: map.h,v 1.3 1999/05/22 21:22:33 weingart Exp $ */ -/* $NetBSD: map.h,v 1.10 1995/09/15 05:32:45 jtc Exp $ */ - -/*- - * Copyright (c) 1982, 1986, 1993 - * The Regents of the University of California. All rights reserved. - * (c) UNIX System Laboratories, Inc. - * All or some portions of this file are derived from material licensed - * to the University of California by American Telephone and Telegraph - * Co. or Unix System Laboratories, Inc. and are reproduced herein with - * the permission of UNIX System Laboratories, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)map.h 8.3 (Berkeley) 1/26/94 - */ - -/* - * Resource allocation maps. - * - * Associated routines manage sub-allocation of an address space using - * an array of segment descriptors. The first element of this array - * is a map structure, describing the arrays extent and the name - * of the controlled object. Each additional structure represents - * a free segment of the address space. - * - * A call to rminit initializes a resource map. Later on, rmfree may be used - * to free some more address space for the map. Subsequent calls to rmalloc - * and rmfree allocate and free space in the resource map. If the resource - * map becomes too fragmented to be described in the available space, - * then some of the resource is discarded. This may lead to critical - * shortages, but is better than not checking (as the previous versions - * of these routines did) or giving up and calling panic(). The routines - * could use linked lists and call a memory allocator when they run - * out of space, but that would not solve the out of space problem when - * called at interrupt time. - * - * N.B.: The address 0 in the resource address space is not available - * as it is used internally by the resource map routines. - */ - -#ifndef _SYS_MAP_H_ -#define _SYS_MAP_H_ - -struct map { - struct mapent *m_limit; /* first slot beyond map */ - char *m_name; /* name of resource, for messages */ -}; - -struct mapent { - long m_size; /* size of this segment of the map */ - long m_addr; /* start of segment */ -}; - -#ifdef _KERNEL - -long rmalloc __P((struct map *, long)); -void rmfree __P((struct map *, long, long)); -void rminit __P((struct map *, long, long, char *, int)); -#endif /* _KERNEL */ -#endif /* _SYS_MAP_H_ */ |