| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #ifndef GUAC_WAIT_FD_H |
| #define GUAC_WAIT_FD_H |
| |
| /** |
| * Waits for data to be available for reading on a given file descriptor, |
| * similar to the POSIX select() and poll() functions. |
| * |
| * @param fd |
| * The file descriptor to wait for. |
| * |
| * @param usec_timeout |
| * The maximum number of microseconds to wait for data, or -1 to |
| * potentially wait forever. |
| * |
| * @return |
| * Positive if data is available for reading, zero if the timeout elapsed |
| * and no data is available, negative if an error occurs, in which case |
| * errno will also be set. |
| */ |
| int guac_wait_for_fd(int fd, int usec_timeout); |
| |
| #endif |