static int
ioctl_fd_maybe_socket (const struct fd_hook *remaining_list,
gl_ioctl_fn primary,
int fd, int request, void *arg)
{
SOCKET sock;
WSANETWORKEVENTS ev;
/* Test whether fd refers to a socket. */
sock = FD_TO_SOCKET (fd);
ev.lNetworkEvents = 0xDEADBEEF;
WSAEnumNetworkEvents (sock, NULL, &ev);
if (ev.lNetworkEvents != 0xDEADBEEF)
{
/* fd refers to a socket. */
if (ioctlsocket (sock, request, arg) < 0)
{
set_winsock_errno ();
return -1;
}
else
return 0;
}
else
/* Some other type of file descriptor. */
return execute_ioctl_hooks (remaining_list, primary, fd, request, arg);
}
int
execute_all_ioctl_hooks (gl_ioctl_fn primary,
int fd, int request, void *arg)
{
return execute_ioctl_hooks (anchor.private_next, primary, fd, request, arg);
}