xref: /illumos-gate/usr/src/man/man9f/ldi_remove_event_handler.9f (revision 41e0a469c3dbc14deb2b200f6ca6f6e00b5865d0)
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LDI_REMOVE_EVENT_HANDLER 9F "April 9, 2016"
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This function is obsolete and is only maintained for compatibility.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