Writing Device Drivers

print() Entry Point (Block Drivers)

int print(dev_t dev, char *str)

The print(9E) entry point is called by the system to display a message about an exception that has been detected. print(9E) should call cmn_err(9F) to post the message to the console on behalf of the system. The following example demonstrates a typical print() entry point.

static int
 xxprint(dev_t dev, char *str)
     cmn_err(CE_CONT, “xx: %s\n”, str);
     return (0);