1.\" Copyright (c) 2003 Alexey Zelkin <phantom@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd October 12, 2021 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_np.h 38.Ft int 39.Fn pthread_mutexattr_getkind_np "pthread_mutexattr_t attr" 40.Ft int 41.Fn pthread_mutexattr_setkind_np "pthread_mutexattr_t *attr" "int kind" 42.Sh DESCRIPTION 43.Bf -symbolic 44These functions are deprecated and non-portable implementation of 45the mutex type manipulation. 46.Ef 47.Pp 48It is recommended to use the 49.Xr pthread_mutexattr_gettype 3 50and 51.Xr pthread_mutexattr_settype 3 52functions instead. 53.Sh RETURN VALUES 54The 55.Fn pthread_mutexattr_getkind_np 56function returns a positive value representing the 57.Dq kind 58of the mutex attribute 59.Fa attr 60if successful; otherwise the value \-1 is returned and the global variable 61.Va errno 62is set to indicate the error. 63.Pp 64.Rv -std pthread_mutexattr_setkind_np 65.Sh ERRORS 66The 67.Fn pthread_mutexattr_getkind_np 68and 69.Fn pthread_mutexattr_setkind_np 70functions will fail if: 71.Bl -tag -width Er 72.It Bq Er EINVAL 73The value specified by 74.Fa attr 75is invalid. 76.El 77.Sh SEE ALSO 78.Xr pthread_mutex_destroy 3 , 79.Xr pthread_mutex_init 3 , 80.Xr pthread_mutexattr_gettype 3 , 81.Xr pthread_mutexattr_settype 3 , 82.Xr pthread_np 3 83