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

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
        !            23: /*
        !            24:  * Copyright (c) 1991, 1993
        !            25:  *     The Regents of the University of California.  All rights reserved.
        !            26:  *
        !            27:  * Redistribution and use in source and binary forms, with or without
        !            28:  * modification, are permitted provided that the following conditions
        !            29:  * are met:
        !            30:  * 1. Redistributions of source code must retain the above copyright
        !            31:  *    notice, this list of conditions and the following disclaimer.
        !            32:  * 2. Redistributions in binary form must reproduce the above copyright
        !            33:  *    notice, this list of conditions and the following disclaimer in the
        !            34:  *    documentation and/or other materials provided with the distribution.
        !            35:  * 3. All advertising materials mentioning features or use of this software
        !            36:  *    must display the following acknowledgement:
        !            37:  *     This product includes software developed by the University of
        !            38:  *     California, Berkeley and its contributors.
        !            39:  * 4. Neither the name of the University nor the names of its contributors
        !            40:  *    may be used to endorse or promote products derived from this software
        !            41:  *    without specific prior written permission.
        !            42:  *
        !            43:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            44:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            45:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            46:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            47:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            48:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            49:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            50:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            51:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            52:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            53:  * SUCH DAMAGE.
        !            54:  *
        !            55:  *     @(#)vm.h        8.5 (Berkeley) 5/11/95
        !            56:  */
        !            57: /* HISTORY
        !            58:  *  05-Jun-95  Mac Gillon (mgillon) at NeXT
        !            59:  *     4.4 code uses this file to import MACH API
        !            60:  */
        !            61: 
        !            62: #ifndef _SYS_VM_H
        !            63: #define _SYS_VM_H
        !            64: 
        !            65: /* Machine specific config stuff */
        !            66: #if    defined(KERNEL) && !defined(MACH_USER_API)      
        !            67: #include <sys/vmmeter.h>
        !            68: #include <sys/queue.h>
        !            69: #include <mach/vm_param.h>
        !            70: #endif
        !            71: 
        !            72: /*
        !            73:  * Shareable process virtual address space.
        !            74:  * May eventually be merged with vm_map.
        !            75:  * Several fields are temporary (text, data stuff).
        !            76:  */
        !            77: struct vmspace {
        !            78:        int     vm_refcnt;      /* number of references */
        !            79:        caddr_t vm_shm;         /* SYS5 shared memory private data XXX */
        !            80: /* we copy from vm_startcopy to the end of the structure on fork */
        !            81: #define vm_startcopy vm_rssize
        !            82:        segsz_t vm_rssize;      /* current resident set size in pages */
        !            83:        segsz_t vm_swrss;       /* resident set size before last swap */
        !            84:        segsz_t vm_tsize;       /* text size (pages) XXX */
        !            85:        segsz_t vm_dsize;       /* data size (pages) XXX */
        !            86:        segsz_t vm_ssize;       /* stack size (pages) */
        !            87:        caddr_t vm_taddr;       /* user virtual address of text XXX */
        !            88:        caddr_t vm_daddr;       /* user virtual address of data XXX */
        !            89:        caddr_t vm_maxsaddr;    /* user VA at max stack growth */
        !            90: };
        !            91: 
        !            92: #ifdef KERNEL
        !            93: 
        !            94: #ifdef BSD_BUILD
        !            95: #include <kern/thread.h>
        !            96: 
        !            97: #define current_proc() ((struct proc *)get_bsdtask_info(current_task()))
        !            98: #else
        !            99: struct proc * current_proc(void);
        !           100: #endif
        !           101: 
        !           102: #endif /* KERNEL */
        !           103: 
        !           104: #endif /* _SYS_VM_H */

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