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/***********************************************************************/
/* */
/* OCaml */
/* */
/* Xavier Leroy and Pascal Cuoq, 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 "unixsupport.h"
int socket_domain_table[] = {
PF_UNIX, PF_INET,
#if defined(HAS_IPV6)
PF_INET6
#else
0
#endif
};
int socket_type_table[] = {
SOCK_STREAM, SOCK_DGRAM, SOCK_RAW, SOCK_SEQPACKET
};
CAMLprim value unix_socket(domain, type, proto)
value domain, type, proto;
{
SOCKET s;
int oldvalue, oldvaluelen, newvalue, retcode;
#ifndef HAS_IPV6
/* IPv6 requires WinSock2, we must raise an error on PF_INET6 */
if (Int_val(domain) >= sizeof(socket_domain_table)/sizeof(int)) {
win32_maperr(WSAEPFNOSUPPORT);
uerror("socket", Nothing);
}
#endif
oldvaluelen = sizeof(oldvalue);
retcode = getsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
(char *) &oldvalue, &oldvaluelen);
if (retcode == 0) {
/* Set sockets to synchronous mode */
newvalue = SO_SYNCHRONOUS_NONALERT;
setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
(char *) &newvalue, sizeof(newvalue));
}
s = socket(socket_domain_table[Int_val(domain)],
socket_type_table[Int_val(type)],
Int_val(proto));
if (retcode == 0) {
/* Restore initial mode */
setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
(char *) &oldvalue, oldvaluelen);
}
if (s == INVALID_SOCKET) {
win32_maperr(WSAGetLastError());
uerror("socket", Nothing);
}
return win_alloc_socket(s);
}
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