68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/***********************************************************************/
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/* */
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/* OCaml */
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/* */
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/* Xavier Leroy and Pascal Cuoq, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* en Automatique. All rights reserved. This file is distributed */
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/* under the terms of the GNU Library General Public License, with */
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/* the special exception on linking described in file ../../LICENSE. */
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/* */
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/***********************************************************************/
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#include <mlvalues.h>
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#include "unixsupport.h"
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#include <mswsock.h> // for SO_OPENTYPE and SO_SYNCHRONOUS_NONALERT
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int socket_domain_table[] = {
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PF_UNIX, PF_INET,
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#if defined(HAS_IPV6)
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PF_INET6
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#else
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0
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#endif
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};
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int socket_type_table[] = {
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SOCK_STREAM, SOCK_DGRAM, SOCK_RAW, SOCK_SEQPACKET
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};
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CAMLprim value unix_socket(domain, type, proto)
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value domain, type, proto;
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{
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SOCKET s;
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int oldvalue, oldvaluelen, newvalue, retcode;
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#ifndef HAS_IPV6
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/* IPv6 requires WinSock2, we must raise an error on PF_INET6 */
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if (Int_val(domain) >= sizeof(socket_domain_table)/sizeof(int)) {
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win32_maperr(WSAEPFNOSUPPORT);
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uerror("socket", Nothing);
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}
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#endif
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oldvaluelen = sizeof(oldvalue);
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retcode = getsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
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(char *) &oldvalue, &oldvaluelen);
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if (retcode == 0) {
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/* Set sockets to synchronous mode */
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newvalue = SO_SYNCHRONOUS_NONALERT;
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setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
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(char *) &newvalue, sizeof(newvalue));
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}
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s = socket(socket_domain_table[Int_val(domain)],
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socket_type_table[Int_val(type)],
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Int_val(proto));
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if (retcode == 0) {
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/* Restore initial mode */
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setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
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(char *) &oldvalue, oldvaluelen);
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}
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if (s == INVALID_SOCKET) {
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win32_maperr(WSAGetLastError());
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uerror("socket", Nothing);
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}
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return win_alloc_socket(s);
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}
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