NAME

anocancel - prevent cancellation of asynchronous I/O request

SYNOPSIS

#include <sys/ddi.h>

#include <sys/sunddi.h>

int anocancel( );

INTERFACE LEVEL

Solaris DDI specific (Solaris DDI).

DESCRIPTION

anocancel( ) should be used by drivers that do not support canceling asynchronous I/O requests. anocancel( ) is passed as the driver cancel routine parameter to aphysio(9F).

RETURN VALUES

anocancel( ) returns ENXIO .

SEE ALSO

aread (9E),awrite(9E), aphysio(9F)

Writing Device Drivers