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#include "HsNet.h"
#include "HsFFI.h"
#if defined(HAVE_WINSOCK_H) && !defined(__CYGWIN__)
static int winsock_inited = 0;
static int winsock_uninited = 0;
/* Initialising WinSock... */
HsInt
initWinSock ()
{
WORD wVersionRequested;
WSADATA wsaData;
int err;
#ifdef __HUGS__
int optval = SO_SYNCHRONOUS_NONALERT;
#endif
if (!winsock_inited) {
wVersionRequested = MAKEWORD( 1, 1 );
err = WSAStartup ( wVersionRequested, &wsaData );
if ( err != 0 ) {
return err;
}
if ( LOBYTE( wsaData.wVersion ) != 1 ||
HIBYTE( wsaData.wVersion ) != 1 ) {
WSACleanup();
return (-1);
}
#ifdef __HUGS__
/* By default, socket() creates sockets in overlapped mode
* (so that async I/O is possible). The CRT can only handle
* non-overlapped sockets, so turn off overlap mode here.
*/
setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
&optval, sizeof(optval));
#endif
winsock_inited = 1;
}
return 0;
}
static void
shutdownHandler(void)
{
WSACleanup();
}
void
shutdownWinSock()
{
if (!winsock_uninited) {
atexit(shutdownHandler);
winsock_uninited = 1;
}
}
#endif
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