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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¶
struct rchan_buf * buf
channel buffer
size_t 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¶
| June 2017 | Kernel Hackers Manual 4.11 |