ocaml/otherlibs/win32unix/accept.c

/***********************************************************************/
/*                                                                     */
/*                           Objective Caml                            */
/*                                                                     */
/*            Xavier Leroy, projet Cristal, INRIA Rocquencourt         */
/*                                                                     */
/*  Copyright 1996 Institut National de Recherche en Informatique et   */
/*  Automatique.  Distributed only by permission.                      */
/*                                                                     */
/***********************************************************************/

/* $Id$ */

#include <mlvalues.h>
#include <alloc.h>
#include <memory.h>
#include "unixsupport.h"
#include "socketaddr.h"

value unix_accept(sock)          /* ML */
     value sock;
{
  SOCKET s;
  value res;
  int fd;
  int optionValue;
  HANDLE h;
  value adr = Val_unit;

  /* Set sockets to synchronous mode  */
  optionValue = SO_SYNCHRONOUS_NONALERT;
  setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE, 
             (char *)&optionValue, sizeof(optionValue));

  Begin_root (adr);
    sock_addr_len = sizeof(sock_addr);
    enter_blocking_section();
    s = accept((SOCKET) _get_osfhandle(Int_val(sock)),
               &sock_addr.s_gen, &sock_addr_len);
    leave_blocking_section();
    if (s == INVALID_SOCKET) {
      _dosmaperr(WSAGetLastError());
      uerror("accept", Nothing);
    }
    adr = alloc_sockaddr();
    res = alloc_tuple(2);
    fd = _open_osfhandle(s, 0);
    if (fd == -1) uerror("accept", Nothing);
    Field(res, 0) = Val_int(fd);
    Field(res, 1) = adr;
  End_roots();
  return res;
}