1QB_RB_CHUNK_READ(3) libqb Programmer's Manual QB_RB_CHUNK_READ(3)
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6 qb_rb_chunk_read - Read the oldest chunk into data_out.
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10 #include <qb/qbrb.h>
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12 ssize_t qb_rb_chunk_read(
13 qb_ringbuffer_t *rb, /* ringbuffer instance */
14 void *data_out, /* (in/out) the chunk will be memcpy'ed into this. */
15 size_t len, /* (in) the size of data_out. */
16 int32_t ms_timeout /* the amount od time to wait for new data. */
17 );
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20 rb ringbuffer instance
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22 data_out (in/out) the chunk will be memcpy'ed into this.
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24 len (in) the size of data_out.
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26 ms_timeout the amount od time to wait for new data.
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29 This is the same as qb_rb_chunk_peek() memcpy() and qb_rb_chunk_re‐
30 claim().
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33 the size of the chunk, or error.
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36 qb_rb_close(3), qb_rb_refcount_get(3), qb_rb_chmod(3), qb_rb_chown(3),
37 qb_rb_open(3), qb_rb_write_to_file(3), qb_rb_create_from_file(3),
38 qb_rb_chunks_used(3), qb_rb_chunk_reclaim(3), qb_rb_space_used(3),
39 qb_rb_chunk_write(3), qb_rb_shared_user_data_get(3),
40 qb_rb_chunk_commit(3), qb_rb_chunk_peek(3), qb_rb_space_free(3),
41 qb_rb_name_get(3), qb_rb_chunk_alloc(3),
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44 Copyright (C) 2010-2020 Red Hat, Inc.
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48LIBQB 2021-11-12 QB_RB_CHUNK_READ(3)