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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

May 2018 Kernel Hackers Manual 3.16