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