static struct close_hook close_sockets_hook;
+static int initialized_sockets_version /* = 0 */;
+
#endif
int
gl_sockets_startup (int version)
{
#if WINDOWS_SOCKETS
- WSADATA data;
- int err;
+ if (version > initialized_sockets_version)
+ {
+ WSADATA data;
+ int err;
- err = WSAStartup (version, &data);
- if (err != 0)
- return 1;
+ err = WSAStartup (version, &data);
+ if (err != 0)
+ return 1;
+
+ if (data.wVersion < version)
+ return 2;
- if (data.wVersion < version)
- return 2;
+ if (initialized_sockets_version == 0)
+ register_close_hook (close_fd_maybe_socket, &close_sockets_hook);
- register_close_hook (close_fd_maybe_socket, &close_sockets_hook);
+ initialized_sockets_version = version;
+ }
#endif
return 0;
#if WINDOWS_SOCKETS
int err;
+ initialized_sockets_version = 0;
+
unregister_close_hook (&close_sockets_hook);
err = WSACleanup ();