1QB_RB_CHUNK_READ(3)        libqb Programmer's Manual       QB_RB_CHUNK_READ(3)
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NAME

6       qb_rb_chunk_read - Read the oldest chunk into data_out.
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SYNOPSIS

10       #include <qb/qbrb.h>
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12       ssize_t qb_rb_chunk_read(
13           qb_ringbuffer_t   *rb,
14           void              *data_out,
15           size_t             len,
16           int32_t            ms_timeout
17       );
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PARAMS

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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DESCRIPTION

29       This  is  the  same  as qb_rb_chunk_peek() memcpy() and qb_rb_chunk_re‐
30       claim().
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RETURN VALUE

33       the size of the chunk, or error.
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SEE ALSO

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                             2021-03-03               QB_RB_CHUNK_READ(3)
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