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25.\" $FreeBSD: src/share/man/man3/pthread_mutexattr_getkind_np.3,v 1.7 2007/10/22 10:08:00 ru Exp $
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27.Dd July 10, 2009
28.Dt PTHREAD_MUTEXATTR_GETKIND_NP 3
29.Os
30.Sh NAME
31.Nm pthread_mutexattr_getkind_np ,
32.Nm pthread_mutexattr_setkind_np
33.Nd mutex attribute operations (legacy)
34.Sh LIBRARY
35.Lb libpthread
36.Sh SYNOPSIS
37.In pthread.h
38.In pthread_np.h
39.Ft int
40.Fn pthread_mutexattr_getkind_np "pthread_mutexattr_t attr"
41.Ft int
42.Fn pthread_mutexattr_setkind_np "pthread_mutexattr_t *attr" "int kind"
43.Sh DESCRIPTION
44.Bf -symbolic
45These functions are deprecated and non-portable implementation of
46the mutex type manipulation.
47.Ef
48.Pp
49It is recommended to use the
50.Xr pthread_mutexattr_gettype 3
51and
52.Xr pthread_mutexattr_settype 3
53functions instead.
54.Sh RETURN VALUES
55The
56.Fn pthread_mutexattr_getkind_np
57function returns a positive value representing the
58.Dq kind
59of the mutex attribute
60.Fa attr
61if successful; otherwise the value \-1 is returned and the global variable
62.Va errno
63is set to indicate the error.
64.Pp
65.Rv -std pthread_mutexattr_setkind_np
66.Sh ERRORS
67The
68.Fn pthread_mutexattr_getkind_np
69and
70.Fn pthread_mutexattr_setkind_np
71functions will fail if:
72.Bl -tag -width Er
73.It Bq Er EINVAL
74The value specified by
75.Fa attr
76is invalid.
77.El
78.Sh SEE ALSO
79.Xr pthread_mutexattr_gettype 3 ,
80.Xr pthread_mutexattr_settype 3 ,
81.Xr pthread_mutex_destroy 3 ,
82.Xr pthread_mutex_init 3
83