1PARPORT_CLAIM(9) Parallel Port Devices PARPORT_CLAIM(9)
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6 parport_claim - claim access to a parallel port device
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9 int parport_claim(struct pardevice * dev);
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12 dev
13 pointer to structure representing a device on the port
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16 This function will not block and so can be used from interrupt context.
17 If parport_claim succeeds in claiming access to the port it returns
18 zero and the port is available to use. It may fail (returning non-zero)
19 if the port is in use by another driver and that driver is not willing
20 to relinquish control of the port.
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23Kernel Hackers Manual 2.6. June 2019 PARPORT_CLAIM(9)