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

6       qb_rb_chunk_peek - Read (without reclaiming) the last chunk.
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SYNOPSIS

10       #include <qb/qbrb.h>
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12       ssize_t qb_rb_chunk_peek(
13           qb_ringbuffer_t   *rb, /* ringbuffer instance */
14           /*
15            * (out) a pointer to the next chunk to read (not copied).
16            */
17           void             **data_out,
18           int32_t            ms_timeout         /* (in) time to wait for new data.*/
19       );
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PARAMS

22       rb         ringbuffer instance
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24       data_out   (out)
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26       ms_timeout (in) time to wait for new data.
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DESCRIPTION

29       This  function is a way of accessing the next chunk without a memcpy().
30       You can read the chunk data in place.
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RETURN VALUE

33       the size of the chunk (0 if buffer empty).
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NOTE

36       This function  will  not  "pop"  the  chunk,  you  will  need  to  call
37       qb_rb_chunk_reclaim().
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SEE ALSO

40       qb_rb_close(3), qb_rb_refcount_get(3), qb_rb_chmod(3), qb_rb_chown(3),
41       qb_rb_open(3), qb_rb_write_to_file(3), qb_rb_create_from_file(3),
42       qb_rb_chunks_used(3), qb_rb_chunk_reclaim(3), qb_rb_space_used(3),
43       qb_rb_chunk_write(3), qb_rb_shared_user_data_get(3),
44       qb_rb_chunk_commit(3), qb_rb_space_free(3), qb_rb_name_get(3),
45       qb_rb_chunk_alloc(3), qb_rb_chunk_read(3)
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48       Copyright (C) 2010-2020 Red Hat, Inc.
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52LIBQB                             2022-03-23               QB_RB_CHUNK_PEEK(3)
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