36 lines
1.6 KiB
C
36 lines
1.6 KiB
C
/**************************************************************************/
|
|
/* */
|
|
/* OCaml */
|
|
/* */
|
|
/* 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 Lesser General Public License version 2.1, with the */
|
|
/* special exception on linking described in the file LICENSE. */
|
|
/* */
|
|
/**************************************************************************/
|
|
|
|
#include <caml/mlvalues.h>
|
|
#include "unixsupport.h"
|
|
|
|
CAMLprim value unix_dup(value cloexec, value fd)
|
|
{
|
|
HANDLE newh;
|
|
value newfd;
|
|
int kind = Descr_kind_val(fd);
|
|
if (! DuplicateHandle(GetCurrentProcess(), Handle_val(fd),
|
|
GetCurrentProcess(), &newh,
|
|
0L,
|
|
unix_cloexec_p(cloexec) ? FALSE : TRUE,
|
|
DUPLICATE_SAME_ACCESS)) {
|
|
win32_maperr(GetLastError());
|
|
return -1;
|
|
}
|
|
newfd = win_alloc_handle(newh);
|
|
Descr_kind_val(newfd) = kind;
|
|
return newfd;
|
|
}
|