bsd/sys/vm.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  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 /* HISTORY
  61  *  05-Jun-95  Mac Gillon (mgillon) at NeXT
  62  *      4.4 code uses this file to import MACH API
  63  */
  64
  65 #ifndef _SYS_VM_H
  66 #define _SYS_VM_H
  67
  68 #include <sys/appleapiopts.h>
  69
  70 /* Machine specific config stuff */
  71 #if     defined(KERNEL) && !defined(MACH_USER_API)
  72 #include <sys/vmmeter.h>
  73 #include <sys/queue.h>
  74 #include <mach/vm_param.h>
  75 #endif
  76
  77 #ifdef __APPLE_API_OBSOLETE
  78 /*
  79  * Shareable process virtual address space.
  80  * May eventually be merged with vm_map.
  81  * Several fields are temporary (text, data stuff).
  82  */
  83 struct vmspace {
  84         int     vm_refcnt;      /* number of references */
  85         caddr_t vm_shm;         /* SYS5 shared memory private data XXX */
  86 /* we copy from vm_startcopy to the end of the structure on fork */
  87 #define vm_startcopy vm_rssize
  88         segsz_t vm_rssize;      /* current resident set size in pages */
  89         segsz_t vm_swrss;       /* resident set size before last swap */
  90         segsz_t vm_tsize;       /* text size (pages) XXX */
  91         segsz_t vm_dsize;       /* data size (pages) XXX */
  92         segsz_t vm_ssize;       /* stack size (pages) */
  93         caddr_t vm_taddr;       /* user virtual address of text XXX */
  94         caddr_t vm_daddr;       /* user virtual address of data XXX */
  95         caddr_t vm_maxsaddr;    /* user VA at max stack growth */
  96 };
  97
  98 #else /* __APPLE_API_OBSOLETE */
  99 /* just to keep kinfo_proc happy */
 100 struct vmspace {
 101         int32_t dummy[10];
 102 };
 103 #endif /* __APPLE_API_OBSOLETE */
 104
 105 #ifdef KERNEL
 106
 107 #ifdef __APPLE_API_PRIVATE
 108 #ifdef BSD_BUILD
 109 #include <kern/thread.h>
 110 #endif /* BSD_BUILD */
 111 #endif /* __APPLE_API_PRIVATE */
 112
 113 struct proc *current_proc(void);
 114
 115 #endif /* KERNEL */
 116
 117 #endif /* _SYS_VM_H */