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annotate liboctave/wrappers/time-wrappers.c @ 32096:501730f07abc

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octave_gettimeofday_wrapper: Use NULL for pointer type argument. * liboctave/wrappers/time-wrappers.c (octave_gettimeofday_wrapper): Use NULL instead of 0 for pointer type argument.
author Markus Mützel <markus.muetzel@gmx.de>
date Sun, 21 May 2023 12:15:37 +0200
parents 597f3ee61a48
children 5e207c861831
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2016-2023 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
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 // These functions may be provided by gnulib. We don't include gnulib
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27 // headers directly in Octave's C++ source files to avoid problems that
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28 // may be caused by the way that gnulib overrides standard library
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29 // functions.
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30
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31 #if defined (HAVE_CONFIG_H)
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32 # include "config.h"
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33 #endif
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34
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35 #include <sys/resource.h>
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36 #include <sys/time.h>
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37 #include <sys/times.h>
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38
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39 #include "time-wrappers.h"
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40
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41 int
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42 octave_gettimeofday_wrapper (time_t *sec, long *usec)
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43 {
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44 struct timeval tv;
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45
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46 int status = gettimeofday (&tv, NULL);
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47
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48 if (status < 0)
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49 {
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50 *sec = 0;
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51 *usec = 0;
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52 }
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53 else
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54 {
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55 *sec = tv.tv_sec;
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56 *usec = tv.tv_usec;
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57 }
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58
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59 return status;
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60 }
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61
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62 int
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63 octave_cpu_time (time_t *usr_sec, time_t *sys_sec,
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64 long *usr_usec, long *sys_usec)
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65 {
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66 struct rusage ru;
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67
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68 int status = getrusage (RUSAGE_SELF, &ru);
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69
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70 if (status < 0)
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71 {
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72 *usr_sec = 0;
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73 *sys_sec = 0;
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74
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75 *usr_usec = 0;
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76 *sys_usec = 0;
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77 }
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78 else
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79 {
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80 *usr_sec = ru.ru_utime.tv_sec;
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81 *usr_usec = ru.ru_utime.tv_usec;
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82
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83 *sys_sec = ru.ru_stime.tv_sec;
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84 *sys_usec = ru.ru_stime.tv_usec;
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85 }
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86
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87 return status;
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88 }
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89
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90 int
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91 octave_getrusage_wrapper (time_t *usr_sec, time_t *sys_sec,
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92 long *usr_usec, long *sys_usec,
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93 long *maxrss, long *ixrss, long *idrss,
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94 long *isrss, long *minflt, long *majflt,
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95 long *nswap, long *inblock, long *oublock,
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96 long *msgsnd, long *msgrcv, long *nsignals,
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97 long *nvcsw, long *nivcsw)
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98 {
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99 struct rusage ru;
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100
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101 int status = getrusage (RUSAGE_SELF, &ru);
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102
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103 if (status < 0)
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104 {
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105 *usr_sec = 0;
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106 *usr_usec = 0;
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107
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108 *sys_sec = 0;
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109 *sys_usec = 0;
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110
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111 *maxrss = 0;
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112 *ixrss = 0;
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113 *idrss = 0;
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114 *isrss = 0;
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115 *minflt = 0;
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116 *majflt = 0;
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117 *nswap = 0;
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118 *inblock = 0;
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119 *oublock = 0;
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120 *msgsnd = 0;
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121 *msgrcv = 0;
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122 *nsignals = 0;
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123 *nvcsw = 0;
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124 *nivcsw = 0;
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diff changeset
125 }
f0c5dd1ea2b9 hide sys/time.h, sys/times.h, and sys/resource.h headers
John W. Eaton <jwe@octave.org>
parents:
diff changeset
126 else
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John W. Eaton <jwe@octave.org>
parents:
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127 {
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John W. Eaton <jwe@octave.org>
parents:
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128 *usr_sec = ru.ru_utime.tv_sec;
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parents:
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129 *usr_usec = ru.ru_utime.tv_usec;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
130
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John W. Eaton <jwe@octave.org>
parents:
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131 *sys_sec = ru.ru_stime.tv_sec;
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parents:
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132 *sys_usec = ru.ru_stime.tv_usec;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
133
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John W. Eaton <jwe@octave.org>
parents:
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134 *maxrss = ru.ru_maxrss;
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John W. Eaton <jwe@octave.org>
parents:
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135 *ixrss = ru.ru_ixrss;
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John W. Eaton <jwe@octave.org>
parents:
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136 *idrss = ru.ru_idrss;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
137 *isrss = ru.ru_isrss;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
138 *minflt = ru.ru_minflt;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
139 *majflt = ru.ru_majflt;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
140 *nswap = ru.ru_nswap;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
141 *inblock = ru.ru_inblock;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
142 *oublock = ru.ru_oublock;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
143 *msgsnd = ru.ru_msgsnd;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
144 *msgrcv = ru.ru_msgrcv;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
145 *nsignals = ru.ru_nsignals;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
146 *nvcsw = ru.ru_nvcsw;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
147 *nivcsw = ru.ru_nivcsw;
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
148 }
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John W. Eaton <jwe@octave.org>
parents:
diff changeset
149
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John W. Eaton <jwe@octave.org>
parents:
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150 return status;
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John W. Eaton <jwe@octave.org>
parents:
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151 }
22062
d18aad835ad6 provide wrapper for gnulib mktime function
John W. Eaton <jwe@octave.org>
parents: 21930
diff changeset
152
d18aad835ad6 provide wrapper for gnulib mktime function
John W. Eaton <jwe@octave.org>
parents: 21930
diff changeset
153 time_t
d18aad835ad6 provide wrapper for gnulib mktime function
John W. Eaton <jwe@octave.org>
parents: 21930
diff changeset
154 octave_mktime_wrapper (struct tm *tp)
d18aad835ad6 provide wrapper for gnulib mktime function
John W. Eaton <jwe@octave.org>
parents: 21930
diff changeset
155 {
d18aad835ad6 provide wrapper for gnulib mktime function
John W. Eaton <jwe@octave.org>
parents: 21930
diff changeset
156 return mktime (tp);
d18aad835ad6 provide wrapper for gnulib mktime function
John W. Eaton <jwe@octave.org>
parents: 21930
diff changeset
157 }