centos man page for relay_switch_subbuf

RELAY_SWITCH_SUBBUF(9)					      relay interface support					    RELAY_SWITCH_SUBBUF(9)

NAME
       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.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						    RELAY_SWITCH_SUBBUF(9)