47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/***********************************************************************/
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/* */
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/* OCaml */
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/* */
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/* Xavier Leroy and Pascal Cuoq, 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 <windows.h>
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#include "unixsupport.h"
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int win_set_inherit(value fd, BOOL inherit)
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{
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HANDLE oldh, newh;
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oldh = Handle_val(fd);
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if (! DuplicateHandle(GetCurrentProcess(), oldh,
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GetCurrentProcess(), &newh,
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0L, inherit, DUPLICATE_SAME_ACCESS)) {
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win32_maperr(GetLastError());
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return -1;
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}
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Handle_val(fd) = newh;
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CloseHandle(oldh);
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return 0;
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}
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CAMLprim value win_set_close_on_exec(value fd)
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{
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if (win_set_inherit(fd, FALSE) == -1) uerror("set_close_on_exec", Nothing);
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return Val_unit;
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}
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CAMLprim value win_clear_close_on_exec(value fd)
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{
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if (win_set_inherit(fd, TRUE) == -1) uerror("clear_close_on_exec", Nothing);
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return Val_unit;
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}
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