Polling
Function
Triggers the callback of a completed request. The interface type is subject to the type of the callback.
Implementation Method
int ocf_poll(uint32_t io_worker_id, uint32_t max_num);
Parameters
Parameter |
Data Type |
Input/Output |
Description |
|---|---|---|---|
io_worker_id |
uint32_t |
Input |
io_worker ID. |
max_num |
uint32_t |
Input |
Maximum number of request results that can be processed each time. |
Return Values
STATE_SUCCESS: The requests are successfully submitted to the ocf queue.
STATE_OCF_UNAVAILABLE: ocf is unavailable.
STATE_PARAM_INVALID: The value of io_worker_id is invalid.
Parent topic: External APIs