relay_switch_subbuf (9) Linux Manual Page
relay_switch_subbuf – switch to a new sub-buffer
Synopsis
size_t relay_switch_subbuf(struct rchan_buf *buf, size_t length);Arguments
buf
-
- channel buffer
length
- size of current event
Description
Returns either the length passed in or 0 if full.
Performs sub-buffer-switch tasks such as invoking callbacks, updating padding counts, waking up readers, etc.