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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, 1997 Apple Computer, Inc. All Rights Reserved */
26: /*
27: * Copyright (c) 1982, 1986, 1989, 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: * @(#)user.h 8.2 (Berkeley) 9/23/93
59: */
60:
61: #ifndef _SYS_USER_H_
62: #define _SYS_USER_H_
63:
64: #ifndef _KERNEL
65: /* stuff that *used* to be included by user.h, or is now needed */
66: #include <errno.h>
67: #include <sys/time.h>
68: #include <sys/resource.h>
69: #include <sys/ucred.h>
70: #include <sys/uio.h>
71: #endif
72: #include <sys/resourcevar.h>
73: #include <sys/signalvar.h>
74: #include <sys/vm.h> /* XXX */
75: #include <sys/sysctl.h>
76:
77: #ifdef _KERNEL
78: /*
79: * Per-thread U area.
80: *
81: * It is likely that this structure contains no fields that must be
82: * saved between system calls.
83: */
84: struct uthread {
85: int *uu_ar0; /* address of users saved R0 */
86:
87: /* syscall parameters, results and catches */
88: int uu_arg[8]; /* arguments to current system call */
89: int *uu_ap; /* pointer to arglist */
90:
91: /* thread exception handling */
92: int uu_code; /* ``code'' to trap */
93: char uu_cursig; /* p_cursig for exc. */
94: int uu_sig; /* p_sig for exc. */
95:
96: /* support for syscalls which use continuations */
97: struct timeval uu_syst; /* snapshot for profiling */
98: union {
99: struct _select {
100: fd_set ibits[3], obits[3];
101: struct timeval atv;
102: int poll, error;
103: } ss_select; /* saved state for select() */
104: struct _wait {
105: int f;
106: } ss_wait; /* saved state for wait?() */
107: } uu_state;
108: };
109:
110: #endif /* _KERNEL */
111:
112: /*
113: * Per process structure containing data that isn't needed in core
114: * when the process isn't running (esp. when swapped out).
115: * This structure may or may not be at the same kernel address
116: * in all processes.
117: */
118:
119: struct user {
120: /* NOT USED ANYMORE */
121: };
122:
123: #endif /* !_SYS_USER_H_ */
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