1.\" Copyright (c) 1998 Alex Nash
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25.Dd August 4, 1998
26.Dt PTHREAD_RWLOCKATTR_DESTROY 3
27.Os
28.Sh NAME
29.Nm pthread_rwlockattr_destroy
30.Nd destroy a read/write lock
31.Sh LIBRARY
32.Lb libpthread
33.Sh SYNOPSIS
34.In pthread.h
35.Ft int
36.Fn pthread_rwlockattr_destroy "pthread_rwlockattr_t *attr"
37.Sh DESCRIPTION
38The
39.Fn pthread_rwlockattr_destroy
40function is used to destroy a read/write lock attribute object
41previously created with
42.Fn pthread_rwlockattr_init .
43.Sh RETURN VALUES
44If successful, the
45.Fn pthread_rwlockattr_destroy
46function will return zero.
47Otherwise an error number will be returned
48to indicate the error.
49.Sh ERRORS
50The
51.Fn pthread_rwlockattr_destroy
52function may fail if:
53.Bl -tag -width Er
54.It Bq Er EINVAL
55The value specified by
56.Fa attr
57is invalid.
58.El
59.Sh SEE ALSO
60.Xr pthread_rwlockattr_init 3
61.Sh STANDARDS
62The
63.Fn pthread_rwlockattr_destroy
64function is expected to conform to
65.St -susv2 .
66.Sh HISTORY
67The
68.Fn pthread_rwlockattr_destroy
69function first appeared in
70.Fx 3.0 .
71