1.\" Copyright (c) 1998 Alex Nash
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25.\" $FreeBSD: src/lib/libc_r/man/pthread_rwlockattr_destroy.3,v 1.3.2.3 2001/12/17 10:08:26 ru Exp $
26.\" $DragonFly: src/lib/libc_r/man/pthread_rwlockattr_destroy.3,v 1.3 2006/02/17 19:35:07 swildner Exp $
27.\"
28.Dd April 15, 2009
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 LIBRARY
35.Lb libpthread
36.Sh SYNOPSIS
37.In pthread.h
38.Ft int
39.Fn pthread_rwlockattr_destroy "pthread_rwlockattr_t *attr"
40.Sh DESCRIPTION
41The
42.Fn pthread_rwlockattr_destroy
43function is used to destroy a read/write lock attribute object
44previously created with
45.Fn pthread_rwlockattr_init .
46.Sh RETURN VALUES
47If successful, the
48.Fn pthread_rwlockattr_destroy
49function will return zero.  Otherwise an error number will be returned
50to indicate the error.
51.Sh ERRORS
52.Fn pthread_rwlockattr_destroy
53may fail if:
54.Bl -tag -width Er
55.It Bq Er EINVAL
56The value specified by
57.Fa attr
58is invalid.
59.El
60.Sh SEE ALSO
61.Xr pthread_rwlockattr_init 3
62.Sh STANDARDS
63The
64.Fn pthread_rwlockattr_destroy
65function is expected to conform to
66.St -susv2 .
67.Sh HISTORY
68The
69.Fn pthread_rwlockattr_destroy
70function first appeared in
71.Fx 3.0 .
72