#include <sys/ddi.h> #include <sys/sunddi.h>
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).
anocancel() returns ENXIO.
aread(9E), awrite(9E), aphysio(9F)
Writing Device Drivers
