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annotate packages/compat/posix/current/include/limits.h @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
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children 0ec04793409a
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1 #ifndef CYGONCE_LIMITS_H
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2 #define CYGONCE_LIMITS_H
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3 //=============================================================================
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4 //
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5 // limits.h
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6 //
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7 // POSIX limits header
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8 //
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9 //=============================================================================
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10 //####COPYRIGHTBEGIN####
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11 //
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12 // -------------------------------------------
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13 // The contents of this file are subject to the Red Hat eCos Public License
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14 // Version 1.1 (the "License"); you may not use this file except in
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15 // compliance with the License. You may obtain a copy of the License at
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16 // http://www.redhat.com/
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17 //
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18 // Software distributed under the License is distributed on an "AS IS"
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19 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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20 // License for the specific language governing rights and limitations under
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21 // the License.
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22 //
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23 // The Original Code is eCos - Embedded Configurable Operating System,
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24 // released September 30, 1998.
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25 //
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26 // The Initial Developer of the Original Code is Red Hat.
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27 // Portions created by Red Hat are
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28 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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29 // All Rights Reserved.
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30 // -------------------------------------------
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31 //
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32 //####COPYRIGHTEND####
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33 //=============================================================================
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34 //#####DESCRIPTIONBEGIN####
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35 //
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36 // Author(s): nickg
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37 // Contributors: nickg
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38 // Date: 2000-03-17
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39 // Purpose: POSIX limits header
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40 // Description: This file contains the compile time definitions that describe
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41 // the minima and current values of various values and defined
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42 // in POSIX.1 section 2.8.
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43 //
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44 // Usage:
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45 // #include <limits.h>
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46 // ...
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47 //
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48 //
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49 //####DESCRIPTIONEND####
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50 //
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51 //=============================================================================
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52
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53 #include <pkgconf/hal.h>
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54 #include <pkgconf/kernel.h>
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55 #include <pkgconf/posix.h>
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56
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57 //-----------------------------------------------------------------------------
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58 // Runtime invariants
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59 // These are all equal to or greater than the minimum values defined above.
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60
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61 // From table 2-4
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62
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63 #define NGROUPS_MAX _POSIX_NGROUPS_MAX
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64
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65 // From table 2-5
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66
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67 #define AIO_LISTIO_MAX _POSIX_AIO_LISTIO_MAX
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68
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69 #define AIO_MAX _POSIX_AIO_MAX
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70
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71 #define AIO_PRIO_DELTA_MAX 0
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72
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73 #define ARG_MAX _POSIX_ARG_MAX
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74
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75 #define CHILD_MAX _POSIX_CHILD_MAX
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76
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77 #define DELAYTIMER_MAX _POSIX_DELAYTIMER_MAX
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78
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79 #define LOGIN_NAME_MAX _POSIX_LOGIN_NAME_MAX
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80
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81 #define OPEN_MAX _POSIX_OPEN_MAX
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82
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83 #define PAGESIZE 1
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84
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85 #define PTHREAD_DESTRUCTOR_ITERATIONS CYGNUM_POSIX_PTHREAD_DESTRUCTOR_ITERATIONS
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86
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87 #define PTHREAD_KEYS_MAX CYGNUM_POSIX_PTHREAD_KEYS_MAX
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88
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89 // Minimum size needed on a pthread stack to contain its per-thread control
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90 // structures and per-thread data. Since we cannot include all the headers
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91 // necessary to calculate this value here, the following is a generous estimate.
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92 #define PTHREAD_STACK_OVERHEAD (0x180+(PTHREAD_KEYS_MAX*sizeof(void *)))
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93
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94 #define PTHREAD_STACK_MIN (CYGNUM_HAL_STACK_SIZE_MINIMUM+PTHREAD_STACK_OVERHEAD)
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95
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96 #define PTHREAD_THREADS_MAX CYGNUM_POSIX_PTHREAD_THREADS_MAX
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97
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98 #define RTSIG_MAX _POSIX_RTSIG_MAX
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99
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100 #define SEM_NSEMS_MAX _POSIX_SEM_NSEMS_MAX
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101
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102 #define SEM_VALUE_MAX _POSIX_SEM_VALUE_MAX
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103
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104 #define SIGQUEUE_MAX _POSIX_SIGQUEUE_MAX
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105
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106 #define STREAM_MAX _POSIX_STREAM_MAX
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107
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108 #define TIMER_MAX _POSIX_TIMER_MAX
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109
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110 #define TTY_NAME_MAX _POSIX_TTY_NAME_MAX
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111
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112 #define TZNAME_MAX _POSIX_TZNAME_MAX
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113
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114
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115 // From table 2-6.
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116
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117 #define LINK_MAX _POSIX_LINK_MAX
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118
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119 #define MAX_CANON _POSIX_MAX_CANON
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120
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121 #define MAX_INPUT _POSIX_MAX_INPUT
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122
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123 #define NAME_MAX _POSIX_NAME_MAX
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124
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125 #define PATH_MAX _POSIX_PATH_MAX
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126
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127 #define PIPE_BUF _POSIX_PIPE_BUF
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128
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129
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130 //-----------------------------------------------------------------------------
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131 #endif // ifndef CYGONCE_LIMITS_H
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132 // End of limits.h