'\" te
.\" This manual page is derived from the DAT/uDAPL 1.2 specification.
.\" Portions 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]
.TH dat_evd_enable 3DAT "16 Jul 2004" "SunOS 5.11" "Direct Access Transport Library Functions"
.SH NAME
dat_evd_enable \- enable the Event Dispatcher
.SH SYNOPSIS
.LP
.nf
cc [ \fIflag\fR\&.\|.\|. ] \fIfile\fR\&.\|.\|. \fB-ldat\fR [ \fIlibrary\fR\&.\|.\|. ] 
#include <\fBdat/udat.h\fR>

DAT_RETURN
    dat_evd_enable(
    IN    DAT_EVD_HANDLE    \fIevd_handle\fR
    )
.fi

.SH PARAMETERS
.sp
.ne 2
.mk
.na
\fB\fIevd_handle\fR\fR
.ad
.RS 14n
.rt  
Handle for an instance of Event Dispatcher.
.RE

.SH DESCRIPTION
.sp
.LP
The \fBdat_evd_enable()\fR function enables the Event Dispatcher so that the
arrival of an event can trigger the associated CNO. The enabling and disabling
EVD has no effect on direct waiters on the EVD. However, direct waiters
effectively take ownership of the EVD, so that the specified CNO is not
triggered even if is enabled.
.sp
.LP
If the Event Dispatcher is already enabled, this operation is no-op.
.SH RETURN VALUES
.sp
.ne 2
.mk
.na
\fB\fBDAT_SUCCESS\fR\fR
.ad
.RS 22n
.rt  
The operation was successful.
.RE

.sp
.ne 2
.mk
.na
\fB\fBDAT_INVALID_HANDLE\fR\fR
.ad
.RS 22n
.rt  
The \fIevd_handle\fR parameter is invalid.
.RE

.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp

.sp
.TS
tab() box;
cw(2.75i) |cw(2.75i) 
lw(2.75i) |lw(2.75i) 
.
ATTRIBUTE TYPEATTRIBUTE VALUE
_
Interface StabilityStandard: uDAPL, 1.1, 1.2
_
MT-LevelSafe
.TE

.SH SEE ALSO
.sp
.LP
\fBdat_evd_disable\fR(3DAT), \fBlibdat\fR(3LIB), \fBattributes\fR(5)