parport_claim_or_blo(9)
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.