annotate libinterp/corefcn/getrusage.cc @ 21200:fcac5dbbf9ed

maint: Indent #ifdef blocks in libinterp. * builtins.h, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, cellfun.cc, colloc.cc, comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, defaults.in.h, defun-dld.h, defun.cc, defun.h, det.cc, dirfns.cc, display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc, errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, gripes.cc, hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc, jit-typeinfo.cc, jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-save.cc, lookup.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, luinc.cc, mappers.cc, matrix_type.cc, max.cc, mex.h, mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hdf5.h, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc, oct-strstrm.cc, octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc, profiler.cc, psi.cc, pt-jit.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, sysdep.h, time.cc, toplev.cc, tril.cc, tsearch.cc, txt-eng-ft.cc, txt-eng.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, xdiv.cc, xnorm.cc, xpow.cc, zfstream.cc, __delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, oct-qhull.h, qr.cc, symbfact.cc, symrcm.cc, oct-conf.in.cc, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc, ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc, ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov.cc, ovl.cc, octave.cc, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc, op-fcdm-fdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-float-conv.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-int-conv.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc, pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-colon.h, pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc, pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-mat.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc, token.cc, Array-jit.cc, Array-os.cc, Array-sym.cc, Array-tc.cc, version.cc: Indent #ifdef blocks in libinterp.
author Rik <rik@octave.org>
date Fri, 05 Feb 2016 16:29:08 -0800
parents df7891224709
children 40de9f8f23a6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2
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3 Copyright (C) 1996-2015 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 # include <config.h>
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25 #endif
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26
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27 #include <sys/time.h>
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28 #include <sys/times.h>
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29 #include <sys/types.h>
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30
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31 #ifdef HAVE_SYS_RESOURCE_H
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32 # include <sys/resource.h>
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33 #endif
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34
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35 #if defined (HAVE_SYS_PARAM_H)
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36 # include <sys/param.h>
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37 #endif
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38
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39 #include "defun.h"
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40 #include "oct-map.h"
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41 #include "sysdep.h"
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42 #include "ov.h"
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43 #include "ovl.h"
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44 #include "utils.h"
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45
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46 #if ! defined (HZ)
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47 # if defined (CLK_TCK)
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48 # define HZ CLK_TCK
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49 # elif defined (USG)
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50 # define HZ 100
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51 # else
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52 # define HZ 60
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53 # endif
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54 #endif
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55
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56 #ifndef RUSAGE_SELF
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57 # define RUSAGE_SELF 0
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58 #endif
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59
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60 // System resource functions.
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61
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62 DEFUN (getrusage, , ,
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63 "-*- texinfo -*-\n\
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64 @deftypefn {} {} getrusage ()\n\
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65 Return a structure containing a number of statistics about the current\n\
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66 Octave process.\n\
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67 \n\
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68 Not all fields are available on all systems. If it is not possible to get\n\
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69 CPU time statistics, the CPU time slots are set to zero. Other missing data\n\
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70 are replaced by NaN@. The list of possible fields is:\n\
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71 \n\
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72 @table @code\n\
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73 @item idrss\n\
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74 Unshared data size.\n\
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75 \n\
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76 @item inblock\n\
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77 Number of block input operations.\n\
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78 \n\
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79 @item isrss\n\
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80 Unshared stack size.\n\
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81 \n\
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82 @item ixrss\n\
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83 Shared memory size.\n\
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84 \n\
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85 @item majflt\n\
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86 Number of major page faults.\n\
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87 \n\
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88 @item maxrss\n\
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89 Maximum data size.\n\
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90 \n\
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91 @item minflt\n\
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92 Number of minor page faults.\n\
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93 \n\
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94 @item msgrcv\n\
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95 Number of messages received.\n\
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96 \n\
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97 @item msgsnd\n\
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98 Number of messages sent.\n\
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99 \n\
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100 @item nivcsw\n\
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101 Number of involuntary context switches.\n\
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102 \n\
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103 @item nsignals\n\
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104 Number of signals received.\n\
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105 \n\
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106 @item nswap\n\
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107 Number of swaps.\n\
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108 \n\
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109 @item nvcsw\n\
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110 Number of voluntary context switches.\n\
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111 \n\
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112 @item oublock\n\
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113 Number of block output operations.\n\
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114 \n\
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115 @item stime\n\
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116 A structure containing the system CPU time used. The structure has the\n\
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117 elements @code{sec} (seconds) @code{usec} (microseconds).\n\
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118 \n\
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119 @item utime\n\
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120 A structure containing the user CPU time used. The structure has the\n\
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121 elements @code{sec} (seconds) @code{usec} (microseconds).\n\
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122 @end table\n\
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123 @end deftypefn")
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124 {
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125 octave_scalar_map m;
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126 octave_scalar_map tv_tmp;
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127
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128 // FIXME: maybe encapsulate all of this in a liboctave class
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129 #if defined (HAVE_GETRUSAGE)
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130
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131 struct rusage ru;
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132
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133 getrusage (RUSAGE_SELF, &ru);
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134
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135 tv_tmp.assign ("sec", static_cast<double> (ru.ru_utime.tv_sec));
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136 tv_tmp.assign ("usec", static_cast<double> (ru.ru_utime.tv_usec));
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137 m.assign ("utime", octave_value (tv_tmp));
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138
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139 tv_tmp.assign ("sec", static_cast<double> (ru.ru_stime.tv_sec));
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140 tv_tmp.assign ("usec", static_cast<double> (ru.ru_stime.tv_usec));
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141 m.assign ("stime", octave_value (tv_tmp));
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142
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143 #if ! defined (RUSAGE_TIMES_ONLY)
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144 m.assign ("maxrss", static_cast<double> (ru.ru_maxrss));
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145 m.assign ("ixrss", static_cast<double> (ru.ru_ixrss));
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146 m.assign ("idrss", static_cast<double> (ru.ru_idrss));
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147 m.assign ("isrss", static_cast<double> (ru.ru_isrss));
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148 m.assign ("minflt", static_cast<double> (ru.ru_minflt));
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149 m.assign ("majflt", static_cast<double> (ru.ru_majflt));
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150 m.assign ("nswap", static_cast<double> (ru.ru_nswap));
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151 m.assign ("inblock", static_cast<double> (ru.ru_inblock));
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152 m.assign ("oublock", static_cast<double> (ru.ru_oublock));
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153 m.assign ("msgsnd", static_cast<double> (ru.ru_msgsnd));
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154 m.assign ("msgrcv", static_cast<double> (ru.ru_msgrcv));
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155 m.assign ("nsignals", static_cast<double> (ru.ru_nsignals));
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156 m.assign ("nvcsw", static_cast<double> (ru.ru_nvcsw));
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157 m.assign ("nivcsw", static_cast<double> (ru.ru_nivcsw));
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158 #endif
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159
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160 #else
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161
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162 struct tms t;
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163
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164 times (&t);
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165
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166 unsigned long ticks;
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167 unsigned long seconds;
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168 unsigned long fraction;
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169
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170 ticks = t.tms_utime + t.tms_cutime;
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171 fraction = ticks % HZ;
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172 seconds = ticks / HZ;
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173
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174 tv_tmp.assign ("sec", static_cast<double> (seconds));
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175 tv_tmp.assign ("usec", static_cast<double> (fraction * 1e6 / HZ));
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176 m.assign ("utime", octave_value (tv_tmp));
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177
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178 ticks = t.tms_stime + t.tms_cstime;
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179 fraction = ticks % HZ;
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180 seconds = ticks / HZ;
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181
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182 tv_tmp.assign ("sec", static_cast<double> (seconds));
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183 tv_tmp.assign ("usec", static_cast<double> (fraction * 1e6 / HZ));
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184 m.assign ("stime", octave_value (tv_tmp));
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185
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186 double tmp = lo_ieee_nan_value ();
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187
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188 m.assign ("maxrss", tmp);
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189 m.assign ("ixrss", tmp);
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190 m.assign ("idrss", tmp);
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191 m.assign ("isrss", tmp);
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192 m.assign ("minflt", tmp);
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193 m.assign ("majflt", tmp);
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194 m.assign ("nswap", tmp);
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195 m.assign ("inblock", tmp);
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196 m.assign ("oublock", tmp);
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197 m.assign ("msgsnd", tmp);
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198 m.assign ("msgrcv", tmp);
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199 m.assign ("nsignals", tmp);
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200 m.assign ("nvcsw", tmp);
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201 m.assign ("nivcsw", tmp);
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202
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203 #endif
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204
21127
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Rik <rik@octave.org>
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205 return ovl (m);
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206 }
20876
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207
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208 /*
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209 %!test
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210 %! r = getrusage ();
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211 %! assert (isstruct (r));
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212 %! assert (isfield (r, "idrss"))
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213 %! assert (isfield (r, "inblock"))
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214 %! assert (isfield (r, "isrss"))
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215 %! assert (isfield (r, "ixrss"))
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216 %! assert (isfield (r, "majflt"))
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217 %! assert (isfield (r, "maxrss"))
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218 %! assert (isfield (r, "minflt"))
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219 %! assert (isfield (r, "msgrcv"))
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220 %! assert (isfield (r, "msgsnd"))
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221 %! assert (isfield (r, "nivcsw"))
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222 %! assert (isfield (r, "nsignals"))
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223 %! assert (isfield (r, "nswap"))
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224 %! assert (isfield (r, "nvcsw"))
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225 %! assert (isfield (r, "oublock"))
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226 %! assert (isfield (r, "stime"))
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227 %! assert (isfield (r, "utime"))
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228 %! assert (isfield (r.stime, "sec"))
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229 %! assert (isfield (r.stime, "usec"))
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230 %! assert (isfield (r.utime, "sec"))
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231 %! assert (isfield (r.utime, "usec"))
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232 */
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233