'\" te
.\" Copyright (c) 1994, Sun Microsystems, Inc., All Rights Reserved
.TH anocancel 9F "9 Nov 1994" "SunOS 5.11" "Kernel Functions for Drivers"
.SH NAME
anocancel \- prevent cancellation of asynchronous I/O request 
.SH SYNOPSIS
.LP
.nf
#include <sys/ddi.h>
#include <sys/sunddi.h>

\fBint\fR \fBanocancel\fR(\fB\fR\fI \fR);
.fi

.SH INTERFACE LEVEL
.sp
.LP
Solaris DDI specific (Solaris DDI).
.SH DESCRIPTION
.sp
.LP
\fBanocancel()\fR should be used by drivers that do not support canceling asynchronous  \fBI/O \fRrequests. \fBanocancel()\fR is passed as the driver cancel routine parameter to \fBaphysio\fR(9F). 
.SH RETURN VALUES
.sp
.LP
\fBanocancel()\fR returns  \fBENXIO\fR. 
.SH SEE ALSO
.sp
.LP
\fBaread\fR(9E), \fBawrite\fR(9E), \fBaphysio\fR(9F) 
.sp
.LP
\fIWriting Device Drivers for Oracle Solaris 11.2\fR