Sys.Signals module for a Variant type of signals (and a set_signal function that...
[ocaml.git] / otherlibs / unix / dup.c
blob5935d0b440241a38119126756e792dc432044f13
1 /***********************************************************************/
2 /* */
3 /* Objective Caml */
4 /* */
5 /* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
6 /* */
7 /* Copyright 1996 Institut National de Recherche en Informatique et */
8 /* en Automatique. All rights reserved. This file is distributed */
9 /* under the terms of the GNU Library General Public License, with */
10 /* the special exception on linking described in file ../../LICENSE. */
11 /* */
12 /***********************************************************************/
14 /* $Id$ */
16 #include <mlvalues.h>
17 #include "unixsupport.h"
19 CAMLprim value unix_dup(value fd)
21 int ret;
22 ret = dup(Int_val(fd));
23 if (ret == -1) uerror("dup", Nothing);
24 return Val_int(ret);