root / prex-0.9.0 / include / sys / types.h @ 03e9c04a
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1 | 03e9c04a | Brad Neuman | /*-
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2 | * Copyright (c) 1982, 1986, 1991, 1993, 1994
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3 | * The Regents of the University of California. All rights reserved.
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4 | * (c) UNIX System Laboratories, Inc.
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5 | * All or some portions of this file are derived from material licensed
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6 | * to the University of California by American Telephone and Telegraph
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7 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with
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8 | * the permission of UNIX System Laboratories, Inc.
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9 | *
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10 | * Redistribution and use in source and binary forms, with or without
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11 | * modification, are permitted provided that the following conditions
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12 | * are met:
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13 | * 1. Redistributions of source code must retain the above copyright
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14 | * notice, this list of conditions and the following disclaimer.
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15 | * 2. Redistributions in binary form must reproduce the above copyright
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16 | * notice, this list of conditions and the following disclaimer in the
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17 | * documentation and/or other materials provided with the distribution.
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18 | * 3. Neither the name of the University nor the names of its contributors
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19 | * may be used to endorse or promote products derived from this software
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20 | * without specific prior written permission.
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21 | *
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22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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32 | * SUCH DAMAGE.
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33 | *
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34 | * @(#)types.h 8.6 (Berkeley) 2/19/95
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35 | */
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36 | |||
37 | #ifndef _SYS_TYPES_H_
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38 | #define _SYS_TYPES_H_
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39 | |||
40 | /* Machine type dependent parameters. */
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41 | #include <machine/types.h> |
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42 | |||
43 | typedef unsigned char u_char; |
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44 | typedef unsigned short u_short; |
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45 | typedef unsigned int u_int; |
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46 | typedef unsigned long u_long; |
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47 | |||
48 | typedef uint32_t dev_t; /* device number */ |
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49 | typedef uint32_t gid_t; /* group id */ |
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50 | typedef uint32_t ino_t; /* inode number */ |
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51 | typedef uint32_t mode_t; /* permissions */ |
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52 | typedef uint32_t nlink_t; /* link count */ |
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53 | typedef int32_t off_t; /* file offset */ |
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54 | typedef int32_t pid_t; /* process id */ |
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55 | typedef uint32_t uid_t; /* user id */ |
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56 | typedef unsigned long rlim_t; /* resource limit */ |
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57 | |||
58 | #ifndef KERNEL
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59 | typedef unsigned long object_t; |
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60 | typedef unsigned long task_t; |
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61 | typedef unsigned long thread_t; |
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62 | typedef unsigned long mutex_t; |
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63 | typedef unsigned long cond_t; |
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64 | typedef unsigned long sem_t; |
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65 | typedef unsigned long device_t; |
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66 | #endif /* KERNEL */ |
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67 | |||
68 | #define OBJECT_NULL ((object_t)0) |
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69 | #define TASK_NULL ((task_t)0) |
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70 | #define THREAD_NULL ((thread_t)0) |
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71 | #define MUTEX_NULL ((mutex_t)0) |
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72 | #define COND_NULL ((cond_t)0) |
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73 | #define SEM_NULL ((sem_t)0) |
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74 | #define NODEV ((device_t)0) |
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75 | |||
76 | #ifdef KERNEL
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77 | typedef void (*dkifn_t)(void); |
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78 | #endif
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79 | |||
80 | #include <sys/endian.h> |
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81 | |||
82 | #if !defined(_CLOCK_T)
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83 | #define _CLOCK_T
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84 | typedef unsigned long clock_t; /* relative time in a specified resolution */ |
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85 | #endif
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86 | |||
87 | #if !defined(_SIZE_T)
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88 | #define _SIZE_T
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89 | typedef unsigned int size_t; /* size of something in bytes */ |
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90 | #endif
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91 | |||
92 | #if !defined(_SSIZE_T)
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93 | #define _SSIZE_T
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94 | typedef int ssize_t; /* size of something in bytes */ |
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95 | #endif
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96 | |||
97 | #if !defined(_TIME_T)
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98 | #define _TIME_T
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99 | typedef long time_t; /* time of day in seconds */ |
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100 | #endif
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101 | |||
102 | #define NBBY 8 /* number of bits in a byte */ |
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103 | |||
104 | #ifndef KERNEL
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105 | /*
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106 | * Select uses bit masks of file descriptors in longs. These macros
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107 | * manipulate such bit fields (the filesystem macros use chars).
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108 | * FD_SETSIZE may be defined by the user, but the default here should
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109 | * be enough for most uses.
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110 | */
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111 | #ifndef FD_SETSIZE
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112 | #define FD_SETSIZE 16 |
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113 | #endif
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114 | |||
115 | typedef int32_t fd_mask;
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116 | #define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */ |
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117 | |||
118 | #ifndef howmany
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119 | #define howmany(x, y) (((x) + ((y) - 1)) / (y)) |
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120 | #endif
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121 | |||
122 | typedef struct fd_set { |
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123 | fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)]; |
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124 | } fd_set; |
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125 | |||
126 | #define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS))) |
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127 | #define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS))) |
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128 | #define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS))) |
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129 | #define FD_COPY(f, t) bcopy(f, t, sizeof(*(f))) |
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130 | #define FD_ZERO(p) bzero(p, sizeof(*(p))) |
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131 | #endif /* !KERNEL */ |
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132 | |||
133 | #endif /* !_SYS_TYPES_H_ */ |