The Linux 2.4 Parallel Port Subsystem
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parport_claim_or_block

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.

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