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pt.4freebsd

Langue: en

Version: 300321 (debian - 07/07/09)

Section: 4 (Pilotes et protocoles réseau)


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 .
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que ceux qui nous aiment plus que nous ne voulons.
-+- François de La Rochefoucauld (1613-1680), Maximes 321 -+-