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annotate man/irccd-api-system.3 @ 1006:5eaa2a6aa0dc

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misc: many fixes for Linux
author David Demelier <markand@malikania.fr>
date Tue, 16 Feb 2021 20:33:18 +0100
parents 2a6d753f79f6
children cf99df45cb84
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1 .\"
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2 .\" Copyright (c) 2013-2020 David Demelier <markand@malikania.fr>
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3 .\"
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4 .\" Permission to use, copy, modify, and/or distribute this software for any
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5 .\" purpose with or without fee is hereby granted, provided that the above
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6 .\" copyright notice and this permission notice appear in all copies.
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7 .\"
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8 .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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9 .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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10 .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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11 .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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12 .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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13 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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14 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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15 .\"
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16 .Dd @IRCCD_MAN_DATE@
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17 .Dt IRCCD-API-SYSTEM 3
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18 .Os
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19 .\" NAME
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20 .Sh NAME
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21 .Nm Irccd.System
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22 .Nd system inspection API
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23 .\" SYNOPSIS
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24 .Sh SYNOPSIS
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25 .Fn Irccd.System.env "name"
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26 .Fn Irccd.System.exec "cmd"
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27 .Fn Irccd.System.home
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28 .Fn Irccd.System.name
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29 .Fn Irccd.System.popen "cmd, mode"
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30 .Fn Irccd.System.sleep "seconds"
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31 .Fn Irccd.System.uptime
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32 .Fn Irccd.System.usleep "microseconds"
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33 .Fn Irccd.System.version
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34 .\" DESCRIPTION
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35 .Sh DESCRIPTION
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36 System inspection and utilities.
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37 .\" METHODS
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38 .Sh METHODS
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39 .\" Irccd.System.env
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40 The
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41 .Fn Irccd.System.env
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42 method returns the value of the environment variable
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43 .Fa name
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44 or undefined if empty.
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45 .Pp
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46 .\" Irccd.System.exec
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47 The
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48 .Fn Irccd.System.exec
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49 method executes the command
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50 .Fa cmd
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51 as if invoked with the standard C
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52 .Xr system 3
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53 function.
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54 .Pp
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55 .\" Irccd.System.home
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56 The
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57 .Fn Irccd.System.home
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58 returns the home directory. This function should be used with care, plugin
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59 should not use user's home to store files.
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60 .Pp
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61 .\" Irccd.System.name
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62 The
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63 .Fn Irccd.System.name
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64 returns the operating system name. Returns one of:
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65 .Pp
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66 .Bl -bullet -compact -offset Ds
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67 .It
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68 Linux
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69 .It
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70 Windows
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71 .It
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72 FreeBSD
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73 .It
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74 DragonFlyBSD
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75 .It
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76 OpenBSD
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77 .It
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78 NetBSD
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79 .It
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80 macOS
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81 .It
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82 Android
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83 .It
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84 Aix
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85 .It
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86 Haiku
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87 .It
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88 iOS
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89 .It
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90 Solaris
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91 .It
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92 Unknown
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93 .El
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94 .Pp
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95 .\" Irccd.System.popen
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96 The
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97 .Fn Irccd.System.popen
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98 method is a wrapper for
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99 .Xr popen 3 .
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100 It opens the command
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101 .Fa cmd
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102 with the given
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103 .Fa mode
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104 and returns a
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105 .Vt Irccd.File
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106 object. This function is optional.
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107 .Pp
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108 .\" Irccd.System.sleep
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109 The
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110 .Fn Irccd.System.sleep
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111 method suspends the execution thread for the given amount of
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112 .Fa seconds .
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113 .Pp
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114 .\" Irccd.System.uptime
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115 The
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116 .Fn Irccd.System.uptime
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117 returns the system uptime in seconds.
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118 .Pp
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119 .\" Irccd.System.usleep
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120 The
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121 .Fn Irccd.System.usleep
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122 method suspends the execution thread for the given amount of
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123 .Fa microseconds .
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124 .Pp
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125 .\" Irccd.System.version
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126 The
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127 .Fn Irccd.System.version
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128 function returns the operating system version as a string. Result of this
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129 function is system dependant.
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130 .\" EXCEPTIONS
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131 .Sh EXCEPTIONS
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132 .Bl -tag -width 20n
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133 .It Bq Er Irccd.SystemError
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134 On system errors.
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135 .It Bq Er Error
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136 On other errors.
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137 .El
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138 .\" SEE ALSO
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139 .Sh SEE ALSO
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140 .Xr irccd-api 3 ,
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141 .Xr irccd-api-file 3