.\" This documentation was generated from the book titled "The Linux 2.4 Parallel Port Subsystem", which is part of the Linux kernel source. .\" .\" Documentation by: Tim Waugh (twaugh@redhat.com) .\" Documentation copyright: 1999-2000 Tim Waugh .\" This documentation comes with the following legal notice: .\" .\" Permission is granted to copy, distribute and/or modify this .\" document under the terms of the GNU Free Documentation License, .\" Version 1.1 or any later version published by the Free Software .\" Foundation; with no Invariant Sections, with no Front-Cover Texts, .\" and with no Back-Cover Texts. A copy of the license is included .\" in the section entitled "GNU Free Documentation License". .\" .\" For comments on the formatting of this manpage, please contact Michael Still .\" This manpage has been automatically generated by docbook2man .\" from a DocBook document. This tool can be found at: .\" .\" Please send any bug reports, improvements, comments, patches, .\" etc. to Steve Cheng . .TH "PARPORT_CLAIM" "9" "09 April 2004" "" "" .SH NAME parport_claim \- claim access to a parallel port device .SH SYNOPSIS .sp \fB .sp int parport_claim (struct pardevice * \fIdev\fB); \fR .SH "ARGUMENTS" .TP \fB\fIdev\fB\fR pointer to structure representing a device on the port .SH "DESCRIPTION" .PP This function will not block and so can be used from interrupt context. If \fBparport_claim\fR 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. .SH "ABOUT THIS DOCUMENT" .PP This documentation was generated with kernel version 2.6.0.