1.\" Copyright (c) 1998 Alex Nash
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25.\" $FreeBSD: src/share/man/man3/pthread_rwlockattr_destroy.3,v 1.13 2007/10/22 10:08:00 ru Exp $
26.\"
27.Dd July 10, 2009
28.Dt PTHREAD_RWLOCKATTR_DESTROY 3
29.Os
30.Sh NAME
31.Nm pthread_rwlockattr_destroy
32.Nd destroy a read/write lock
33.Sh LIBRARY
34.Lb libpthread
35.Sh SYNOPSIS
36.In pthread.h
37.Ft int
38.Fn pthread_rwlockattr_destroy "pthread_rwlockattr_t *attr"
39.Sh DESCRIPTION
40The
41.Fn pthread_rwlockattr_destroy
42function is used to destroy a read/write lock attribute object
43previously created with
44.Fn pthread_rwlockattr_init .
45.Sh RETURN VALUES
46If successful, the
47.Fn pthread_rwlockattr_destroy
48function will return zero.
49Otherwise an error number will be returned
50to indicate the error.
51.Sh ERRORS
52The
53.Fn pthread_rwlockattr_destroy
54function may fail if:
55.Bl -tag -width Er
56.It Bq Er EINVAL
57The value specified by
58.Fa attr
59is invalid.
60.El
61.Sh SEE ALSO
62.Xr pthread_rwlockattr_init 3
63.Sh STANDARDS
64The
65.Fn pthread_rwlockattr_destroy
66function is expected to conform to
67.St -susv2 .
68.Sh HISTORY
69The
70.Fn pthread_rwlockattr_destroy
71function first appeared in
72.Fx 3.0 .
73