| Value | Meaning |
|---|---|
| GPIOD_CTXLESS_EVENT_POLL_RET_STOP-2 | |
| GPIOD_CTXLESS_EVENT_POLL_RET_ERR-1 | < The event loop should stop processing events. |
| GPIOD_CTXLESS_EVENT_POLL_RET_TIMEOUT0 | < Polling error occurred (the polling function should set errno). |
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@brief Return status values that the ctxless event poll callback can return.
Positive value returned from the polling callback indicates the number of events that occurred on the set of monitored lines.