35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
/***********************************************************************/
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/* */
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/* Objective Caml */
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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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/* $Id$ */
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#include <mlvalues.h>
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#include "unixsupport.h"
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CAMLprim value unix_dup(value fd)
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{
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HANDLE newh;
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value newfd;
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int kind = Descr_kind_val(fd);
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if (! DuplicateHandle(GetCurrentProcess(), Handle_val(fd),
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GetCurrentProcess(), &newh,
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0L, TRUE, DUPLICATE_SAME_ACCESS)) {
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win32_maperr(GetLastError());
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return -1;
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}
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newfd = win_alloc_handle(newh);
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Descr_kind_val(newfd) = kind;
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return newfd;
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}
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