66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/***********************************************************************/
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/* */
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/* OCaml */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* en Automatique. All rights reserved. This file is distributed */
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/* under the terms of the GNU Library General Public License, with */
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/* the special exception on linking described in file ../../LICENSE. */
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/* */
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/***********************************************************************/
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#include <mlvalues.h>
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#include <alloc.h>
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#include <memory.h>
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#include "unixsupport.h"
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#include <time.h>
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#include <sys/types.h>
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#include <sys/times.h>
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#ifdef HAS_GETRUSAGE
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#include <sys/time.h>
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#include <sys/resource.h>
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#endif
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#ifndef CLK_TCK
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#ifdef HZ
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#define CLK_TCK HZ
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#else
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#define CLK_TCK 60
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#endif
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#endif
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CAMLprim value unix_times(value unit)
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{
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#ifdef HAS_GETRUSAGE
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value res;
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struct rusage ru;
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res = alloc_small(4 * Double_wosize, Double_array_tag);
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getrusage (RUSAGE_SELF, &ru);
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Store_double_field (res, 0, ru.ru_utime.tv_sec + ru.ru_utime.tv_usec / 1e6);
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Store_double_field (res, 1, ru.ru_stime.tv_sec + ru.ru_stime.tv_usec / 1e6);
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getrusage (RUSAGE_CHILDREN, &ru);
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Store_double_field (res, 2, ru.ru_utime.tv_sec + ru.ru_utime.tv_usec / 1e6);
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Store_double_field (res, 3, ru.ru_stime.tv_sec + ru.ru_stime.tv_usec / 1e6);
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return res;
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#else
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value res;
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struct tms buffer;
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times(&buffer);
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res = alloc_small(4 * Double_wosize, Double_array_tag);
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Store_double_field(res, 0, (double) buffer.tms_utime / CLK_TCK);
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Store_double_field(res, 1, (double) buffer.tms_stime / CLK_TCK);
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Store_double_field(res, 2, (double) buffer.tms_cutime / CLK_TCK);
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Store_double_field(res, 3, (double) buffer.tms_cstime / CLK_TCK);
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return res;
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#endif
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}
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