54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
/*
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* Copyright (C) 2015-2016 STMicroelectronics
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* Author: Denis Ciocca - <denis.ciocca@st.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ST_FLUSH_BUFFER_STACK_H
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#define ST_FLUSH_BUFFER_STACK_H
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <pthread.h>
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#include <errno.h>
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#define ST_FLUSH_BUFFER_STACK_MAX_ELEMENTS (300)
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/*
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* class FlushBufferStack
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*/
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class FlushBufferStack {
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private:
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pthread_mutex_t data_mutex;
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unsigned int elements_available;
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int64_t flush_timestamps[ST_FLUSH_BUFFER_STACK_MAX_ELEMENTS];
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int flush_handles[ST_FLUSH_BUFFER_STACK_MAX_ELEMENTS];
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public:
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FlushBufferStack();
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~FlushBufferStack();
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int writeElement(int handle, int64_t timestamp);
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int readLastElement(int64_t *timestamp);
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unsigned int ElemetsOnStack();
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void removeLastElement(void);
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void resetBuffer();
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};
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#endif /* ST_FLUSH_BUFFER_STACK_H */
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