LDI_REMOVE_EVENT_HANDLER(9F) Kernel Functions for Drivers LDI_REMOVE_EVENT_HANDLER(9F)

ldi_remove_event_handler - remove an NDI event service callback

#include <sys/ddi_obsolete.h>
int ldi_remove_event_handler(ldi_handle_t lh,
     ldi_callback_id_t id);

Obsolete

ldi_handle_t lh
Layered handle representing the device for which the event notification is requested.

ldi_callback_id_t id

Unique system-wide registration ID returned by ldi_add_event_handler(9F) upon successful registration.

This function is obsolete and is only maintained for compatibility. Use of this function is strongly discouraged. For equivalent functionality provided by new interfaces, see ldi_ev_register_callbacks(9F) and ldi_ev_remove_callbacks(9F).

The ldi_remove_event_handler() function removes the callback handler specified by the registration ID (ldi_callback_id_t). Upon successful removal, the callback handler is removed from the system and is not invoked at the event occurrence.

DDI_SUCCESS
Callback handler removed successfully.

DDI_FAILURE

Failed to remove callback handler.

This function can be called from user and kernel contexts only.

ldi_ev_register_callbacks(9F), ldi_ev_remove_callbacks(9F), ldi_add_event_handler(9F), ldi_get_eventcookie(9F)

Writing Device Drivers

April 9, 2016 OmniOS