Go to main content

man pages section 9: DDI and DKI Kernel Functions

Exit Print View

Updated: Thursday, June 13, 2019



anocancel - prevent cancellation of asynchronous I/O request


#include <sys/ddi.h>
#include <sys/sunddi.h>

int anocancel( );

Interface Level

Solaris DDI specific (Solaris DDI).


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 in Oracle Solaris 11.4