- File descriptor returned by a previous call to
- Pointer to struct
Receives a message via a CI CA module.
Please notice that, on most drivers, this is done by reading from the /dev/adapter?/ca? device node.
220.127.116.11. Return Value¶
On success 0 is returned.
On error -1 is returned, and the
errno variable is set
Generic error codes are described at the Generic Error Codes chapter.