qb_rb_chunk_read - Man Page
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.
Referenced By
qb_rb_chmod(3), qb_rb_chown(3), qb_rb_chunk_alloc(3), qb_rb_chunk_commit(3), qb_rb_chunk_peek(3), qb_rb_chunk_reclaim(3), qb_rb_chunks_used(3), qb_rb_chunk_write(3), qb_rb_close(3), qb_rb_create_from_file(3), qbrb.h(3), qb_rb_name_get(3), qb_rb_open(3), qb_rb_refcount_get(3), qb_rb_shared_user_data_get(3), qb_rb_space_free(3), qb_rb_space_used(3), qb_rb_write_to_file(3).