l4/pkg/ocaml/contrib/otherlibs/win32unix/close.c

   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 /***********************************************************************/
  13
  14 /* $Id: close.c 4765 2002-04-30 15:00:48Z xleroy $ */
  15
  16 #include <mlvalues.h>
  17 #include "unixsupport.h"
  18
  19 CAMLprim value unix_close(value fd)
  20 {
  21   if (Descr_kind_val(fd) == KIND_SOCKET) {
  22     if (closesocket(Socket_val(fd)) != 0) {
  23       win32_maperr(WSAGetLastError());
  24       uerror("close", Nothing);
  25     }
  26   } else {
  27     if (! CloseHandle(Handle_val(fd))) {
  28       win32_maperr(GetLastError());
  29       uerror("close", Nothing);
  30     }
  31   }
  32   return Val_unit;
  33 }