diff options
Diffstat (limited to 'ocaml-binary-annot/otherlibs/win32unix/gettimeofday.c')
| -rw-r--r-- | ocaml-binary-annot/otherlibs/win32unix/gettimeofday.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/ocaml-binary-annot/otherlibs/win32unix/gettimeofday.c b/ocaml-binary-annot/otherlibs/win32unix/gettimeofday.c new file mode 100644 index 0000000000..f1313f0617 --- /dev/null +++ b/ocaml-binary-annot/otherlibs/win32unix/gettimeofday.c @@ -0,0 +1,36 @@ +/***********************************************************************/ +/* */ +/* Objective Caml */ +/* */ +/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */ +/* */ +/* Copyright 1996 Institut National de Recherche en Informatique et */ +/* en Automatique. All rights reserved. This file is distributed */ +/* under the terms of the GNU Library General Public License, with */ +/* the special exception on linking described in file ../../LICENSE. */ +/* */ +/***********************************************************************/ + +/* $Id$ */ + +#include <mlvalues.h> +#include <alloc.h> +#include <time.h> + +#include "unixsupport.h" + +static time_t initial_time = 0; /* 0 means uninitialized */ +static DWORD initial_tickcount; + +CAMLprim value unix_gettimeofday(value unit) +{ + DWORD tickcount = GetTickCount(); + if (initial_time == 0 || tickcount < initial_tickcount) { + initial_tickcount = tickcount; + initial_time = time(NULL); + return copy_double((double) initial_time); + } else { + return copy_double((double) initial_time + + (double) (tickcount - initial_tickcount) * 1e-3); + } +} |