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.\" $FreeBSD: src/share/man/man3/pthread_mutexattr_getkind_np.3,v 1.7 2007/10/22 10:08:00 ru Exp $
.\" $DragonFly: src/lib/libc_r/man/pthread_mutexattr_getkind_np.3,v 1.3 2006/04/08 20:55:59 swildner Exp $
.\"
.Dd July 10, 2009
.Dt PTHREAD_MUTEXATTR_GETKIND_NP 3
.Os
.Sh NAME
.Nm pthread_mutexattr_getkind_np ,
.Nm pthread_mutexattr_setkind_np
.Nd mutex attribute operations (legacy)
.Sh LIBRARY
.Lb libpthread
.Sh SYNOPSIS
.In pthread.h
.In pthread_np.h
.Ft int
.Fn pthread_mutexattr_getkind_np "pthread_mutexattr_t attr"
.Ft int
.Fn pthread_mutexattr_setkind_np "pthread_mutexattr_t *attr" "int kind"
.Sh DESCRIPTION
.Bf -symbolic
These functions are deprecated and non-portable implementation of
the mutex type manipulation.
.Ef
.Pp
It is recommended to use the
.Xr pthread_mutexattr_gettype 3
and
.Xr pthread_mutexattr_settype 3
functions instead.
.Sh RETURN VALUES
The
.Fn pthread_mutexattr_getkind_np
function returns a positive value representing the
.Dq kind
of the mutex attribute
.Fa attr
if successful; otherwise the value \-1 is returned and the global variable
.Va errno
is set to indicate the error.
.Pp
.Rv -std pthread_mutexattr_setkind_np
.Sh ERRORS
The
.Fn pthread_mutexattr_getkind_np
and
.Fn pthread_mutexattr_setkind_np
functions will fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
The value specified by
.Fa attr
is invalid.
.El
.Sh SEE ALSO
.Xr pthread_mutexattr_gettype 3 ,
.Xr pthread_mutexattr_settype 3 ,
.Xr pthread_mutex_destroy 3 ,
.Xr pthread_mutex_init 3