67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/*
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* Copyright (C) 2014-2019 Amlogic, Inc. All rights reserved.
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*
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* All information contained herein is Amlogic confidential.
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*
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* This software is provided to you pursuant to Software License Agreement
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* (SLA) with Amlogic Inc ("Amlogic"). This software may be used
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* only in accordance with the terms of this agreement.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification is strictly prohibited without prior written permission from
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* Amlogic.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __RINGBUFFER_H_
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#define __RINGBUFFER_H_
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#include <pthread.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/************************************************
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* TYPES
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************************************************/
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typedef enum {
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RBUF_MODE_BLOCK = 0,
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RBUF_MODE_NBLOCK
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} rbuf_mode_t;
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typedef void *rbuf_handle_t;
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/************************************************
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* FUNCTIONS
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************************************************/
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rbuf_handle_t ringbuffer_create(int size, const char *name);
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void ringbuffer_free(rbuf_handle_t handle);
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int ringbuffer_read(rbuf_handle_t handle, char *dst, int count, rbuf_mode_t mode);
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int ringbuffer_write(rbuf_handle_t handle, const char *src, int count, rbuf_mode_t mode);
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int ringbuffer_peek(rbuf_handle_t handle, char *dst, int count, rbuf_mode_t mode);
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int ringbuffer_cleanreset(rbuf_handle_t handle);
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int ringbuffer_read_avail(rbuf_handle_t handle);
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int ringbuffer_write_avail(rbuf_handle_t handle);
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#ifdef __cplusplus
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}
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#endif
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#endif /* BUFFER_H_ */
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