44 lines
1.5 KiB
C
44 lines
1.5 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 <alloc.h>
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#include "unixsupport.h"
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#include <fcntl.h>
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extern long _get_osfhandle(int);
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extern int _open_osfhandle(long, int);
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CAMLprim value win_fd_handle(value handle)
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{
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int fd;
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if (CRT_fd_val(handle) != NO_CRT_FD) {
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fd = CRT_fd_val(handle);
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} else {
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fd = _open_osfhandle((long) Handle_val(handle), O_BINARY);
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if (fd == -1) uerror("channel_of_descr", Nothing);
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CRT_fd_val(handle) = fd;
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}
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return Val_int(fd);
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}
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CAMLprim value win_handle_fd(value vfd)
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{
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int crt_fd = Int_val(vfd);
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value res = win_alloc_handle_or_socket((HANDLE) _get_osfhandle(crt_fd));
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CRT_fd_val(res) = crt_fd;
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return res;
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}
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