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pt ()
  • >> pt (4) ( FreeBSD man: Специальные файлы /dev/* )

  • BSD mandoc
     

    NAME

    
    
    pt
    
     - SCSI processor type driver
    
     
    

    SYNOPSIS

    device pt  

    DESCRIPTION

    The driver provides support for a SCSI processor type device. These are usually scanners and other devices using the SCSI link as a communication interface with device specific commands embedded in the data stream.

    A SCSI adapter must be separately configured into the system before this driver can be used.

    This device supports read(2) and write(2), and the ioctl(2) calls described below.  

    IOCTLS

    The following ioctl(2) calls are supported by the driver. They are defined in the header file In sys/ptio.h .

    PTIOCGETTIMEOUT
    This ioctl allows userland applications to fetch the current driver read and write timeout. The value returned is in seconds.
    PTIOCSETTIMEOUT
    This ioctl allows userland applications to set the current driver read and write timeouts. The value should be in seconds.

     

    FILES

    /dev/pt N
    the N th processor device.

     

    SEE ALSO

    scsi(4)  

    HISTORY

    The driver appeared in Fx 2.1 .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    IOCTLS
    FILES
    SEE ALSO
    HISTORY


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