1.\" $OpenBSD: pthread_rwlockattr_destroy.3,v 1.10 2013/06/05 03:44:50 tedu Exp $
2.\" Copyright (c) 1998 Alex Nash
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26.\" $FreeBSD: pthread_rwlockattr_destroy.3,v 1.3 1999/08/28 00:03:10 peter Exp $
27.\"
28.Dd $Mdocdate: June 5 2013 $
29.Dt PTHREAD_RWLOCKATTR_DESTROY 3
30.Os
31.Sh NAME
32.Nm pthread_rwlockattr_destroy
33.Nd destroy a read/write lock
34.Sh SYNOPSIS
35.In pthread.h
36.Ft int
37.Fn pthread_rwlockattr_destroy "pthread_rwlockattr_t *attr"
38.Sh DESCRIPTION
39The
40.Fn pthread_rwlockattr_destroy
41function is used to destroy a read/write lock attribute object
42previously created with
43.Fn pthread_rwlockattr_init .
44.Sh RETURN VALUES
45If successful, the
46.Fn pthread_rwlockattr_destroy
47function will return zero.
48Otherwise an error number will be returned to indicate the error.
49.Sh ERRORS
50.Fn pthread_rwlockattr_destroy
51may fail if:
52.Bl -tag -width Er
53.It Bq Er EINVAL
54The value specified by
55.Fa attr
56is invalid.
57.El
58.Sh SEE ALSO
59.Xr pthread_rwlockattr_init 3
60.Sh STANDARDS
61The
62.Fn pthread_rwlockattr_destroy
63function is expected to conform to
64.St -susv2 .
65.Sh HISTORY
66The
67.Fn pthread_rwlockattr_destroy
68function first appeared in
69.Fx 3.0
70and
71.Ox 2.5 .
72