Re: [PARPORT] Handling interrupts with select and poll?

From: Tim Waugh (
Date: Fri May 02 2003 - 04:20:49 EDT

  • Next message: Bob Tanner: "Re: [PARPORT] Handling interrupts with select and poll?"

    On Thu, May 01, 2003 at 03:48:12PM -0500, Bob Tanner wrote:

    > NOTES
    > The nAck pin is often able to trigger interrupts on the
    > host machine. With operating system help these interrupts
    > may be visible to the application via the selectable_fd
    > member of the parport structure.
    > Under Linux, the conditions are that the parallel port
    > driver knows which interrupt line to use and is using it,
    > and that the relevant /dev/parport device node is accessi-
    > ble and backed by a device driver.
    > Look in parport.h, I do not see selectable_fd member of the in struct parport.

    Look in ieee1284.h.


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