31 lines
1.3 KiB
C
31 lines
1.3 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 <caml/mlvalues.h>
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#include <caml/alloc.h>
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#include <time.h>
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#include "unixsupport.h"
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/* Unix epoch as a Windows timestamp in hundreds of ns */
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#define epoch_ft 116444736000000000.0;
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CAMLprim value unix_gettimeofday(value unit)
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{
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FILETIME ft;
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double tm;
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GetSystemTimeAsFileTime(&ft);
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tm = *(uint64_t *)&ft - epoch_ft; /* shift to Epoch-relative time */
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return copy_double(tm * 1e-7); /* tm is in 100ns */
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}
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