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git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@27 e54a6e83-5905-42d5-8d5c-058d10e6a962
Origin commit data
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Branch: ni/coolstream
Commit: bc5bd4154e
Author: mrcolor <mrcolor@e54a6e83-5905-42d5-8d5c-058d10e6a962>
Date: 2009-12-08 (Tue, 08 Dec 2009)
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This commit was generated by Migit
41 lines
959 B
C
Executable File
41 lines
959 B
C
Executable File
#ifndef _RINGBUFFER_H
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#define _RINGBUFFER_H
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#include <sys/types.h>
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typedef struct
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{
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char *buf;
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size_t len;
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} ringbuffer_data_t;
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typedef struct
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{
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char *buf;
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volatile size_t write_ptr;
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volatile size_t read_ptr;
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size_t size;
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size_t size_mask;
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int mlocked;
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} ringbuffer_t;
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ringbuffer_t *ringbuffer_create(int sz);
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void ringbuffer_free(ringbuffer_t *rb);
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int ringbuffer_mlock(ringbuffer_t *rb);
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void ringbuffer_reset(ringbuffer_t *rb);
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void ringbuffer_write_advance(ringbuffer_t *rb, size_t cnt);
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void ringbuffer_read_advance(ringbuffer_t *rb, size_t cnt);
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size_t ringbuffer_write_space(ringbuffer_t *rb);
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size_t ringbuffer_read_space(ringbuffer_t *rb);
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size_t ringbuffer_read(ringbuffer_t *rb, char *dest, size_t cnt);
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size_t ringbuffer_write(ringbuffer_t *rb, char *src, size_t cnt);
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void ringbuffer_get_read_vector(ringbuffer_t *rb, ringbuffer_data_t *vec);
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void ringbuffer_get_write_vector(ringbuffer_t *rb, ringbuffer_data_t *vec);
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#endif
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