<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <HTML> <HEAD> <META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9"> <TITLE>The Linux SCSI programming HOWTO: Ioctl Functions</TITLE> <LINK HREF="SCSI-Programming-HOWTO-13.html" REL=next> <LINK HREF="SCSI-Programming-HOWTO-11.html" REL=previous> <LINK HREF="SCSI-Programming-HOWTO.html#toc12" REL=contents> </HEAD> <BODY> <A HREF="SCSI-Programming-HOWTO-13.html">Next</A> <A HREF="SCSI-Programming-HOWTO-11.html">Previous</A> <A HREF="SCSI-Programming-HOWTO.html#toc12">Contents</A> <HR> <H2><A NAME="s12">12. Ioctl Functions</A></H2> <P> <A NAME="sec-ioctl"></A> There are two ioctl functions available: <UL> <LI> <CODE>ioctl(fd, SG_SET_TIMEOUT, &Timeout);</CODE> sets the timeout value to <CODE>Timeout</CODE> * 10 milliseconds. <CODE>Timeout</CODE> has to be declared as int.</LI> <LI> <CODE>ioctl(fd, SG_GET_TIMEOUT, &Timeout);</CODE> gets the current timeout value. <CODE>Timeout</CODE> has to be declared as int.</LI> </UL> <P> <HR> <A HREF="SCSI-Programming-HOWTO-13.html">Next</A> <A HREF="SCSI-Programming-HOWTO-11.html">Previous</A> <A HREF="SCSI-Programming-HOWTO.html#toc12">Contents</A> </BODY> </HTML>