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annotate liboctave/wrappers/time-wrappers.c @ 27919:1891570abac8

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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2020.
author John W. Eaton <jwe@octave.org>
date Mon, 06 Jan 2020 22:29:51 -0500
parents b442ec6dda5c
children bd51beb6205e
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1 /*
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2
27919
1891570abac8 update Octave Project Developers copyright for the new year
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3 Copyright (C) 2016-2020 The Octave Project Developers
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4
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5 See the file COPYRIGHT.md in the top-level directory of this distribution
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6 or <https://octave.org/COPYRIGHT.html/>.
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7
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8
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9 This file is part of Octave.
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10
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11 Octave is free software: you can redistribute it and/or modify it
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12 under the terms of the GNU General Public License as published by
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13 the Free Software Foundation, either version 3 of the License, or
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14 (at your option) any later version.
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15
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16 Octave is distributed in the hope that it will be useful, but
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17 WITHOUT ANY WARRANTY; without even the implied warranty of
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18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 GNU General Public License for more details.
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21 You should have received a copy of the GNU General Public License
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22 along with Octave; see the file COPYING. If not, see
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23 <https://www.gnu.org/licenses/>.
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24
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25 */
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26
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27 // These functions may be provided by gnulib. We don't include gnulib
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28 // headers directly in Octave's C++ source files to avoid problems that
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29 // may be caused by the way that gnulib overrides standard library
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30 // functions.
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31
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32 #if defined (HAVE_CONFIG_H)
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33 # include "config.h"
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34 #endif
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35
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36 #include <sys/resource.h>
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37 #include <sys/time.h>
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38 #include <sys/times.h>
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39
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40 #include "time-wrappers.h"
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41
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42 int
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43 octave_gettimeofday_wrapper (time_t *sec, long *usec)
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44 {
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45 struct timeval tv;
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46
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47 int status = gettimeofday (&tv, 0);
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48
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49 if (status < 0)
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50 {
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51 *sec = 0;
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52 *usec = 0;
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53 }
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54 else
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55 {
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56 *sec = tv.tv_sec;
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57 *usec = tv.tv_usec;
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58 }
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59
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60 return status;
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61 }
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62
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63 int
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64 octave_cpu_time (time_t *usr_sec, time_t *sys_sec,
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65 long *usr_usec, long *sys_usec)
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66 {
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67 struct rusage ru;
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68
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69 int status = getrusage (RUSAGE_SELF, &ru);
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70
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71 if (status < 0)
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72 {
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73 *usr_sec = 0;
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74 *sys_sec = 0;
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75
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76 *usr_usec = 0;
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77 *sys_usec = 0;
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78 }
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79 else
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80 {
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81 *usr_sec = ru.ru_utime.tv_sec;
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82 *usr_usec = ru.ru_utime.tv_usec;
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83
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84 *sys_sec = ru.ru_stime.tv_sec;
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85 *sys_usec = ru.ru_stime.tv_usec;
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86 }
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87
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88 return status;
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89 }
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90
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91 int
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92 octave_getrusage_wrapper (time_t *usr_sec, time_t *sys_sec,
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93 long *usr_usec, long *sys_usec,
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94 long *maxrss, long *ixrss, long *idrss,
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95 long *isrss, long *minflt, long *majflt,
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96 long *nswap, long *inblock, long *oublock,
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97 long *msgsnd, long *msgrcv, long *nsignals,
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98 long *nvcsw, long *nivcsw)
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99 {
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100 struct rusage ru;
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101
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102 int status = getrusage (RUSAGE_SELF, &ru);
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103
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104 if (status < 0)
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105 {
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106 *usr_sec = 0;
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107 *usr_usec = 0;
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108
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109 *sys_sec = 0;
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110 *sys_usec = 0;
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111
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112 *maxrss = 0;
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113 *ixrss = 0;
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114 *idrss = 0;
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115 *isrss = 0;
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116 *minflt = 0;
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117 *majflt = 0;
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118 *nswap = 0;
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119 *inblock = 0;
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120 *oublock = 0;
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121 *msgsnd = 0;
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122 *msgrcv = 0;
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parents:
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123 *nsignals = 0;
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124 *nvcsw = 0;
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125 *nivcsw = 0;
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126 }
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127 else
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128 {
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129 *usr_sec = ru.ru_utime.tv_sec;
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130 *usr_usec = ru.ru_utime.tv_usec;
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parents:
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131
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132 *sys_sec = ru.ru_stime.tv_sec;
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133 *sys_usec = ru.ru_stime.tv_usec;
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parents:
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134
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135 *maxrss = ru.ru_maxrss;
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136 *ixrss = ru.ru_ixrss;
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137 *idrss = ru.ru_idrss;
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parents:
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138 *isrss = ru.ru_isrss;
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parents:
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139 *minflt = ru.ru_minflt;
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parents:
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140 *majflt = ru.ru_majflt;
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parents:
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141 *nswap = ru.ru_nswap;
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parents:
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142 *inblock = ru.ru_inblock;
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143 *oublock = ru.ru_oublock;
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144 *msgsnd = ru.ru_msgsnd;
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parents:
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145 *msgrcv = ru.ru_msgrcv;
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parents:
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146 *nsignals = ru.ru_nsignals;
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parents:
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147 *nvcsw = ru.ru_nvcsw;
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parents:
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148 *nivcsw = ru.ru_nivcsw;
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parents:
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149 }
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parents:
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150
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151 return status;
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152 }
22062
d18aad835ad6 provide wrapper for gnulib mktime function
John W. Eaton <jwe@octave.org>
parents: 21930
diff changeset
153
d18aad835ad6 provide wrapper for gnulib mktime function
John W. Eaton <jwe@octave.org>
parents: 21930
diff changeset
154 time_t
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parents: 21930
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155 octave_mktime_wrapper (struct tm *tp)
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John W. Eaton <jwe@octave.org>
parents: 21930
diff changeset
156 {
d18aad835ad6 provide wrapper for gnulib mktime function
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parents: 21930
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157 return mktime (tp);
d18aad835ad6 provide wrapper for gnulib mktime function
John W. Eaton <jwe@octave.org>
parents: 21930
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158 }