.\" Copyright (c) 1998 Alex Nash
.\" All rights reserved.
.\"
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.\" are met:
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.\" $FreeBSD: src/lib/libc_r/man/pthread_rwlockattr_destroy.3,v 1.6 2001/10/01 16:09:09 ru Exp $
.\"
.Dd August 4, 1998
.Dt PTHREAD_RWLOCKATTR_DESTROY 3
.Os
.Sh NAME
.Nm pthread_rwlockattr_destroy
.Nd destroy a read/write lock
.Sh SYNOPSIS
.In pthread.h
.Ft int
.Fo pthread_rwlockattr_destroy
.Fa "pthread_rwlockattr_t *attr"
.Fc
.Sh DESCRIPTION
The
.Fn pthread_rwlockattr_destroy
function is used to destroy a read/write lock attribute object,
previously created with
.Fn pthread_rwlockattr_init .
.Sh RETURN VALUES
If successful, the
.Fn pthread_rwlockattr_destroy
function will return zero.
Otherwise, an error number will be returned to indicate the error.
.Sh SEE ALSO
.Xr pthread_rwlockattr_init 3
.Sh STANDARDS
The
.Fn pthread_rwlockattr_destroy
function is expected to conform to
.St -susv2 .
.Sh ERRORS
.Fn pthread_rwlockattr_destroy
may fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
The value specified by
.Fa attr
is invalid.
.El
.Sh HISTORY
The
.Fn pthread_rwlockattr_destroy
function first appeared in
.Fx 3.0 .