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