qb_rb_chunk_read(3)

qb_rb_chunk_read3

Read the oldest chunk into data_out.

Usage

#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.

Overview

This is the same as qb_rb_chunk_peek() memcpy() and qb_rb_chunk_reclaim().

Return value

the size of the chunk, or error.

Releases

4 releases since Debian 11 (Bullseye); the text changed 3 times.

  1. 11
  2. 12
  3. 13
  4. Arch

From libqb 2.0.10-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.