Man page - qb_rb_chunk_read(3)
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apt-get install libqb-dev
Manual
QB_RB_CHUNK_READ
NAMESYNOPSIS
PARAMS
DESCRIPTION
RETURN VALUE
SEE ALSO
COPYRIGHT
NAME
qb_rb_chunk_read - Read the oldest chunk into data_out.
SYNOPSIS
#include <qb/qbrb.h>
ssize_t
qb_rb_chunk_read
(
qb_ringbuffer_t *
rb
, /* ringbuffer instance */
void *
data_out
, /* (in/out) the chunk will be
memcpy’ed into this. */
size_t
len
, /* (in) the size of data_out. */
int32_t
ms_timeout
/* the amount od time to wait
for new data. */
);
PARAMS
rb ringbuffer instance
data_out (in/out) the chunk will be memcpy’ed into this.
len (in) the size of data_out.
ms_timeout the amount od time to wait for new data.
DESCRIPTION
This is the same as qb_rb_chunk_peek() memcpy() and qb_rb_chunk_reclaim() .
RETURN VALUE
the size of the chunk, or error.
SEE ALSO
qb_rb_close (3), qb_rb_refcount_get (3), qb_rb_chmod (3), qb_rb_chown (3), qb_rb_open (3), qb_rb_write_to_file (3), qb_rb_create_from_file (3), qb_rb_chunks_used (3), qb_rb_chunk_reclaim (3), qb_rb_space_used (3), qb_rb_chunk_write (3), qb_rb_shared_user_data_get (3), qb_rb_chunk_commit (3), qb_rb_chunk_peek (3), qb_rb_space_free (3), qb_rb_name_get (3), qb_rb_chunk_alloc (3),
COPYRIGHT
Copyright (C) 2010-2020 Red Hat, Inc.