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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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