'\" te
.\"  Copyright (c) 1998 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 TD_THR_VALIDATE 3C_DB "Oct 20, 1998"
.SH NAME
td_thr_validate \- test a thread handle for validity
.SH SYNOPSIS
.LP
.nf
cc [ \fIflag\fR... ] \fIfile\fR... -lc_db [ \fIlibrary\fR... ]
#include <proc_service.h>
#include <thread_db.h>

\fBtd_err_e\fR \fBtd_thr_validate\fR(\fBconst td_thrhandle_t *\fR\fIth_p\fR);
.fi

.SH DESCRIPTION
.sp
.LP
The \fBtd_thr_validate()\fR function tests whether \fIth_p\fR is a valid thread
handle. A valid thread handle can become invalid if its thread exits.
.SH RETURN VALUES
.sp
.ne 2
.na
\fB\fBTD_OK\fR\fR
.ad
.RS 12n
The call completed successfully.  \fIth_p\fR is a valid thread handle.
.RE

.sp
.ne 2
.na
\fB\fBTD_BADTH\fR\fR
.ad
.RS 12n
\fIth_p\fR was  \fINULL.\fR
.RE

.sp
.ne 2
.na
\fB\fBTD_DBERR\fR\fR
.ad
.RS 12n
A call to one of the imported interface routines failed.
.RE

.sp
.ne 2
.na
\fB\fBTD_NOTHR\fR\fR
.ad
.RS 12n
\fIth_p\fR is not a valid thread handle.
.RE

.sp
.ne 2
.na
\fB\fBTD_ERR\fR\fR
.ad
.RS 12n
A \fBlibc_db\fR internal error occurred.
.RE

.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(7) for description of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
MT-Level	Safe
.TE

.SH SEE ALSO
.sp
.LP
.BR libc_db (3LIB),
.BR attributes (7)