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parport_claim(9) - phpMan

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PARPORT_CLAIM(9)                      Parallel Port Devices                      PARPORT_CLAIM(9)



NAME
       parport_claim - claim access to a parallel port device

SYNOPSIS
       int parport_claim(struct pardevice * dev);

ARGUMENTS
       dev
           pointer to structure representing a device on the port

DESCRIPTION
       This function will not block and so can be used from interrupt context. If parport_claim
       succeeds in claiming access to the port it returns zero and the port is available to use.
       It may fail (returning non-zero) if the port is in use by another driver and that driver
       is not willing to relinquish control of the port.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                          PARPORT_CLAIM(9)


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