Revert fix for 43782, as it caused problems.

[DOC] We better document the issue at it is.

main/streams/streams.c

@@ -840,7 +840,7 @@ PHPAPI int _php_stream_eof(php_stream *stream TSRMLS_DC)
 	/* use the configured timeout when checking eof */
 	if (!stream->eof && PHP_STREAM_OPTION_RETURN_ERR ==
 		   	php_stream_set_option(stream, PHP_STREAM_OPTION_CHECK_LIVENESS,
-		   	-1, NULL)) {
+		   	0, NULL)) {
 		stream->eof = 1;
 	}
 

main/streams/xp_socket.c

@@ -280,12 +280,8 @@ static int php_sockop_set_option(php_stream *stream, int option, int value, void
 
 				if (sock->socket == -1) {
 					alive = 0;
-				} else {
-					if (php_pollfd_for(sock->socket, PHP_POLLREADABLE|POLLPRI, &tv) > 0) {
-						if (0 == recv(sock->socket, &buf, sizeof(buf), MSG_PEEK) && php_socket_errno() != EAGAIN) {
-							alive = 0;
-						}
-					} else {
+				} else if (php_pollfd_for(sock->socket, PHP_POLLREADABLE|POLLPRI, &tv) > 0) {
+					if (0 == recv(sock->socket, &buf, sizeof(buf), MSG_PEEK) && php_socket_errno() != EAGAIN) {
 						alive = 0;
 					}
 				}