LDI_REMOVE_EVENT_HANDLER(9F) Kernel Functions for Drivers

NAME

ldi_remove_event_handler - remove an NDI event service callback

SYNOPSIS

#include <sys/ddi_obsolete.h>

int ldi_remove_event_handler(ldi_handle_t lh,
ldi_callback_id_t id);

INTERFACE LEVEL

Obsolete

PARAMETERS

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.

DESCRIPTION

This function is obsolete and is only maintained for compatibility.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.

RETURN VALUES

DDI_SUCCESS
Callback handler removed successfully.


DDI_FAILURE
Failed to remove callback handler.

CONTEXT

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

SEE ALSO

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


Writing Device Drivers

April 9, 2016 LDI_REMOVE_EVENT_HANDLER(9F)