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annotate packages/compat/posix/current/include/limits.h @ 210:d2c90368aeef

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Merge from eCos master repository on 2002-05-23-21:39:14-BST
author jlarmour
date Thu, 23 May 2002 22:59:51 +0000
parents e0c0827131d1
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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 //=============================================================================
208
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10 //####ECOSGPLCOPYRIGHTBEGIN####
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11 // -------------------------------------------
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12 // This file is part of eCos, the Embedded Configurable Operating System.
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13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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14 //
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15 // eCos is free software; you can redistribute it and/or modify it under
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16 // the terms of the GNU General Public License as published by the Free
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17 // Software Foundation; either version 2 or (at your option) any later version.
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18 //
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19 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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20 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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21 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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22 // for more details.
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23 //
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24 // You should have received a copy of the GNU General Public License along
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25 // with eCos; if not, write to the Free Software Foundation, Inc.,
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26 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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27 //
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28 // As a special exception, if other files instantiate templates or use macros
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29 // or inline functions from this file, or you compile this file and link it
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30 // with other works to produce a work based on this file, this file does not
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31 // by itself cause the resulting work to be covered by the GNU General Public
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32 // License. However the source code for this file must still be made available
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33 // in accordance with section (3) of the GNU General Public License.
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34 //
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35 // This exception does not invalidate any other reasons why a work based on
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36 // this file might be covered by the GNU General Public License.
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37 //
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38 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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39 // at http://sources.redhat.com/ecos/ecos-license/
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40 // -------------------------------------------
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41 //####ECOSGPLCOPYRIGHTEND####
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42 //=============================================================================
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43 //#####DESCRIPTIONBEGIN####
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44 //
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45 // Author(s): nickg
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46 // Contributors: nickg
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47 // Date: 2000-03-17
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48 // Purpose: POSIX limits header
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49 // Description: This file contains the compile time definitions that describe
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50 // the minima and current values of various values and defined
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51 // in POSIX.1 section 2.8.
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52 //
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53 // Usage:
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54 // #include <limits.h>
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55 // ...
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56 //
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57 //
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58 //####DESCRIPTIONEND####
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59 //
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60 //=============================================================================
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61
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62 #include <pkgconf/posix.h>
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63
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64 //-----------------------------------------------------------------------------
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65 // Runtime invariants
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66 // These are all equal to or greater than the minimum values defined above.
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67
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68 // From table 2-4
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69
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70 #define NGROUPS_MAX _POSIX_NGROUPS_MAX
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71
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72 // From table 2-5
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73
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74 #define AIO_LISTIO_MAX _POSIX_AIO_LISTIO_MAX
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75
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76 #define AIO_MAX _POSIX_AIO_MAX
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77
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78 #define AIO_PRIO_DELTA_MAX 0
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79
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80 #define ARG_MAX _POSIX_ARG_MAX
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81
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82 #define CHILD_MAX _POSIX_CHILD_MAX
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83
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84 #define DELAYTIMER_MAX _POSIX_DELAYTIMER_MAX
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85
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86 #define LOGIN_NAME_MAX _POSIX_LOGIN_NAME_MAX
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87
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88 #define PAGESIZE 1
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89
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90 #define PTHREAD_DESTRUCTOR_ITERATIONS CYGNUM_POSIX_PTHREAD_DESTRUCTOR_ITERATIONS
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91
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92 #define PTHREAD_KEYS_MAX CYGNUM_POSIX_PTHREAD_KEYS_MAX
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93
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94 // Minimum size needed on a pthread stack to contain its per-thread control
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95 // structures and per-thread data. Since we cannot include all the headers
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96 // necessary to calculate this value here, the following is a generous estimate.
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97 #define PTHREAD_STACK_OVERHEAD (0x180+(PTHREAD_KEYS_MAX*sizeof(void *)))
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98
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99 #define PTHREAD_STACK_MIN (CYGNUM_HAL_STACK_SIZE_MINIMUM+PTHREAD_STACK_OVERHEAD)
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100
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101 #define PTHREAD_THREADS_MAX CYGNUM_POSIX_PTHREAD_THREADS_MAX
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102
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103 #define RTSIG_MAX _POSIX_RTSIG_MAX
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104
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105 #define SEM_NSEMS_MAX _POSIX_SEM_NSEMS_MAX
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106
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107 #define SEM_VALUE_MAX _POSIX_SEM_VALUE_MAX
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108
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109 #define SIGQUEUE_MAX _POSIX_SIGQUEUE_MAX
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110
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111 #define STREAM_MAX _POSIX_STREAM_MAX
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112
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113 #define TIMER_MAX _POSIX_TIMER_MAX
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114
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115 #define TTY_NAME_MAX _POSIX_TTY_NAME_MAX
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116
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117 #define TZNAME_MAX _POSIX_TZNAME_MAX
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118
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119
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120 // From table 2-6.
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121
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122 #define MAX_CANON _POSIX_MAX_CANON
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123
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124 #define MAX_INPUT _POSIX_MAX_INPUT
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125
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126 #define PIPE_BUF _POSIX_PIPE_BUF
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127
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128
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129 //-----------------------------------------------------------------------------
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130 #endif // ifndef CYGONCE_LIMITS_H
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131 // End of limits.h