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Annotation of kernel/bsd/sys/vm.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
        !            26: /*
        !            27:  * Copyright (c) 1991, 1993
        !            28:  *     The Regents of the University of California.  All rights reserved.
        !            29:  *
        !            30:  * Redistribution and use in source and binary forms, with or without
        !            31:  * modification, are permitted provided that the following conditions
        !            32:  * are met:
        !            33:  * 1. Redistributions of source code must retain the above copyright
        !            34:  *    notice, this list of conditions and the following disclaimer.
        !            35:  * 2. Redistributions in binary form must reproduce the above copyright
        !            36:  *    notice, this list of conditions and the following disclaimer in the
        !            37:  *    documentation and/or other materials provided with the distribution.
        !            38:  * 3. All advertising materials mentioning features or use of this software
        !            39:  *    must display the following acknowledgement:
        !            40:  *     This product includes software developed by the University of
        !            41:  *     California, Berkeley and its contributors.
        !            42:  * 4. Neither the name of the University nor the names of its contributors
        !            43:  *    may be used to endorse or promote products derived from this software
        !            44:  *    without specific prior written permission.
        !            45:  *
        !            46:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            47:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            48:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            49:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            50:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            51:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            52:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            53:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            54:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            55:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            56:  * SUCH DAMAGE.
        !            57:  *
        !            58:  *     @(#)vm.h        8.5 (Berkeley) 5/11/95
        !            59:  */
        !            60: 
        !            61: #ifndef _SYS_VM_H
        !            62: #define _SYS_VM_H
        !            63: 
        !            64: /* Machine specific config stuff */
        !            65: #if    defined(_KERNEL) && !defined(MACH_USER_API)     
        !            66: #import <mach/features.h>
        !            67: #import <sys/vmmeter.h>
        !            68: #import <sys/queue.h>
        !            69: #import <mach/vm_param.h>
        !            70: #import <mach/vm_prot.h>
        !            71: #import <mach/vm_inherit.h>
        !            72: #import <vm/vm_map.h>
        !            73: #import <vm/vm_object.h>
        !            74: #endif
        !            75: 
        !            76: /*
        !            77:  * Shareable process virtual address space.
        !            78:  * May eventually be merged with vm_map.
        !            79:  * Several fields are temporary (text, data stuff).
        !            80:  */
        !            81: struct vmspace {
        !            82:        int     vm_refcnt;      /* number of references */
        !            83:        caddr_t vm_shm;         /* SYS5 shared memory private data XXX */
        !            84: /* we copy from vm_startcopy to the end of the structure on fork */
        !            85: #define vm_startcopy vm_rssize
        !            86:        segsz_t vm_rssize;      /* current resident set size in pages */
        !            87:        segsz_t vm_swrss;       /* resident set size before last swap */
        !            88:        segsz_t vm_tsize;       /* text size (pages) XXX */
        !            89:        segsz_t vm_dsize;       /* data size (pages) XXX */
        !            90:        segsz_t vm_ssize;       /* stack size (pages) */
        !            91:        caddr_t vm_taddr;       /* user virtual address of text XXX */
        !            92:        caddr_t vm_daddr;       /* user virtual address of data XXX */
        !            93:        caddr_t vm_maxsaddr;    /* user VA at max stack growth */
        !            94: };
        !            95: 
        !            96: #ifdef KERNEL_BUILD
        !            97: #import <kern/thread.h>
        !            98: 
        !            99: #define current_proc() current_thread()->task->proc
        !           100: #endif
        !           101: 
        !           102: #endif /* _SYS_VM_H */

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