49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/***********************************************************************/
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/* */
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/* OCaml */
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/* */
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/* File contributed by Josh Berdine */
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/* */
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/* Copyright 2011 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 "unixsupport.h"
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#include <windows.h>
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double to_sec(FILETIME ft) {
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ULARGE_INTEGER tmp;
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tmp.u.LowPart = ft.dwLowDateTime;
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tmp.u.HighPart = ft.dwHighDateTime;
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/* convert to seconds:
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GetProcessTimes returns number of 100-nanosecond intervals */
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return tmp.QuadPart / 1e7;
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}
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value unix_times(value unit) {
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value res;
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FILETIME creation, exit, stime, utime;
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if (!(GetProcessTimes(GetCurrentProcess(), &creation, &exit, &stime,
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&utime))) {
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win32_maperr(GetLastError());
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uerror("times", Nothing);
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}
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res = alloc_small(4 * Double_wosize, Double_array_tag);
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Store_double_field(res, 0, to_sec(utime));
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Store_double_field(res, 1, to_sec(stime));
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Store_double_field(res, 2, 0);
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Store_double_field(res, 3, 0);
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return res;
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}
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