.\"	$OpenBSD: pthread_barrierattr_init.3,v 1.3 2013/06/05 03:44:50 tedu Exp $
.\"
.\" Copyright (c) 2012 Paul Irofti <pirofti@openbsd.org>
.\"
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.Dd $Mdocdate: June 5 2013 $
.Dt PTHREAD_BARRIERATTR_INIT 3
.Os
.Sh NAME
.Nm pthread_barrierattr_init ,
.Nm pthread_barrierattr_destroy
.Nd initialize and destroy a barrier attribute object
.Sh SYNOPSIS
.In pthread.h
.Ft int
.Fn pthread_barrierattr_init "pthread_barrierattr_t *attr"
.Ft int
.Fn pthread_barrierattr_destroy "pthread_barrierattr_t *attr"
.Sh DESCRIPTION
The
.Fn pthread_barrierattr_init
function creates a new barrier attribute object.
.Pp
The
.Fn pthread_barrierattr_destroy
function frees the resources allocated for
.Fa attr .
.Sh RETURN VALUES
If successful,
.Fn pthread_barrierattr_init
and
.Fn pthread_barrierattr_destroy
return zero;
otherwise an error number is returned to indicate the error.
.Sh ERRORS
.Fn pthread_barrierattr_init
will fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
The value specified by
.Fa attr
is invalid.
.It Bq Er ENOMEM
The process cannot allocate enough memory to create another barrier attribute
object.
.El
.Pp
.Fn pthread_barrierattr_destroy
will fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
The value specified by
.Fa attr
is invalid.
.El
.Sh SEE ALSO
.Xr pthread_barrier_init 3 ,
.Xr pthread_barrier_wait 3 ,
.Xr pthread_barrierattr_getpshared 3
.Sh STANDARDS
.Fn pthread_barrierattr_init
and
.Fn pthread_barrierattr_destroy
conform to
.St -p1003.1-2008 .