xref: /titanic_52/usr/src/man/man9f/ldi_remove_event_handler.9f (revision ee63a9c96aceb3724cf0ee9b2e586b0dce3908a2)
te
Copyright (c) 2007, Sun Microsystems, Inc., All Rights Reserved
The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
LDI_REMOVE_EVENT_HANDLER 9F "Aug 21, 2007"
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This function is obsolete and is only maintained for compatibility.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 occurance.

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

Writing Device Drivers