'\" 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.
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.TH sip_hold_trans 3SIP "25 Jan 2007" "SunOS 5.11" "Session Initiation Protocol Library Functions"
.SH NAME
sip_hold_trans, sip_release_trans \- hold or release reference on a transaction
.SH SYNOPSIS
.LP
.nf
\fBcc\fR [ \fIflag\fR ... ] \fIfile\fR ... \fB-lsip\fR [ \fIlibrary\fR ... ]
#include <sip.h>

\fBvoid\fR \fIsip_hold_trans\fR(\fBsip_transaction_t\fR \fIsip_trans\fR);
.fi

.LP
.nf
\fBvoid\fR \fIsip_release_trans\fR(\fBsip_transaction_t\fR \fIsip_trans\fR);
.fi

.SH DESCRIPTION
.sp
.LP
The \fBsip_hold_trans()\fR function is used to hold a reference on the
transaction \fIsip_trans\fR. A transaction is not freed if there are any
references on it.
.sp
.LP
The \fBsip_release_trans()\fR function is used to release a reference on the
transaction \fIsip_trans\fR. If the reference falls to \fB0\fR and the
transaction is in a terminated state, the transaction is freed.
.SH RETURN VALUES
.sp
.LP
The value of \fBerrno\fR is not changed by these calls in the event of an
error.
.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 StabilityCommitted
_
MT-LevelMT-Safe
.TE

.SH SEE ALSO
.sp
.LP
\fBlibsip\fR(3LIB)