ocaml/otherlibs/win32unix/accept.c

58 lines
2.0 KiB
C

/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en 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 sconn = (SOCKET) Handle_val(sock);
SOCKET snew;
value fd = Val_unit, adr = Val_unit, res;
int oldvalue, oldvaluelen, newvalue, retcode;
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));
}
sock_addr_len = sizeof(sock_addr);
enter_blocking_section();
snew = accept(sconn, &sock_addr.s_gen, &sock_addr_len);
leave_blocking_section();
if (retcode == 0) {
/* Restore initial mode */
setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
(char *) &oldvalue, oldvaluelen);
}
if (snew == INVALID_SOCKET)
unix_error(WSAGetLastError(), "accept", Nothing);
Begin_roots2 (fd, adr)
fd = win_alloc_handle((HANDLE) snew);
adr = alloc_sockaddr();
res = alloc_small(2, 0);
Field(res, 0) = fd;
Field(res, 1) = adr;
End_roots();
return res;
}