int TcpSocket::RawSend(const void *buf, int amount)
{
#ifdef MSG_NOSIGNAL
#define UPP_NOSIGPIPE_OPTION MSG_NOSIGNAL
#endif
#ifdef SO_NOSIGPIPE
#define UPP_NOSIGPIPE_OPTION SO_NOSIGPIPE
#endif
#ifndef UPP_NOSIGPIPE_OPTION
#define UPP_NOSIGPIPE_OPTION 0
#endif
	int res = send(socket, (const char *)buf, amount, UPP_NOSIGPIPE_OPTION);
	if(res < 0 && WouldBlock())
		res = 0;
	else
	if(res == 0 || res < 0)
		SetSockError("send");
	return res;
}