Name
parport_claim_or_block —
claim access to a parallel port device
Synopsis
int parport_claim_or_block ( | struct pardevice * | dev); |
Arguments
dev
pointer to structure representing a device on the port
Description
This behaves like parport_claim, but will block if necessary
to wait for the port to be free. A return value of 1
indicates that it slept; 0 means that it succeeded without
needing to sleep. A negative error code indicates failure.