'\" te
.\"  Copyright (c) 2003, 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.
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.TH DDI_REMOVE_EVENT_HANDLER 9F "May 2, 2003"
.SH NAME
ddi_remove_event_handler \- remove an NDI event service callback handler
.SH SYNOPSIS
.LP
.nf
#include <sys/dditypes.h>
#include <sys/sunddi.h>

\fBint\fR \fBddi_remove_event_handler\fR(\fBddi_registration_id_t\fR \fIid\fR);
.fi

.SH INTERFACE LEVEL
.sp
.LP
Solaris DDI specific (Solaris DDI).
.SH PARAMETERS
.sp
.ne 2
.na
\fB\fBddi_registration_id_t \fR\fIid\fR\fR
.ad
.RS 28n
Unique system wide registration ID return by \fBddi_add_event_handler\fR(9F)
upon successful registration.
.RE

.SH DESCRIPTION
.sp
.LP
The \fBddi_remove_event_handler()\fR function removes the callback handler
specified by the registration \fIid\fR (\fBddi_registration_id_t\fR). Upon
successful removal, the callback handler is removed from the system and will
not be invoked in the face of the event.
.SH RETURN VALUES
.sp
.ne 2
.na
\fB\fBDDI_SUCCESS\fR\fR
.ad
.RS 15n
Callback handler removed successfully.
.RE

.sp
.ne 2
.na
\fB\fBDDI_FAILURE\fR\fR
.ad
.RS 15n
Failed to remove callback handler.
.RE

.SH CONTEXT
.sp
.LP
The \fBddi_remove_event_handler()\fR function can be called from user and
kernel contexts only.
.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(5) for a description of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Stability Level	Committed
.TE

.SH SEE ALSO
.sp
.LP
\fBattributes\fR(5), \fBddi_add_event_handler\fR(9F),
\fBddi_get_eventcookie\fR(9F)
.sp
.LP
\fIWriting Device Drivers\fR
.SH NOTES
.sp
.LP
Device drivers must remove all registered callback handlers before
\fBdetach\fR(9E) processing for that device instance is complete.