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.Dd October 12, 2021 26.Dt PTHREAD_MUTEXATTR_GETKIND_NP 3 27.Os 28.Sh NAME 29.Nm pthread_mutexattr_getkind_np , 30.Nm pthread_mutexattr_setkind_np 31.Nd mutex attribute operations (legacy) 32.Sh LIBRARY 33.Lb libpthread 34.Sh SYNOPSIS 35.In pthread_np.h 36.Ft int 37.Fn pthread_mutexattr_getkind_np "pthread_mutexattr_t attr" 38.Ft int 39.Fn pthread_mutexattr_setkind_np "pthread_mutexattr_t *attr" "int kind" 40.Sh DESCRIPTION 41.Bf -symbolic 42These functions are deprecated and non-portable implementation of 43the mutex type manipulation. 44.Ef 45.Pp 46It is recommended to use the 47.Xr pthread_mutexattr_gettype 3 48and 49.Xr pthread_mutexattr_settype 3 50functions instead. 51.Sh RETURN VALUES 52The 53.Fn pthread_mutexattr_getkind_np 54function returns a positive value representing the 55.Dq kind 56of the mutex attribute 57.Fa attr 58if successful; otherwise the value \-1 is returned and the global variable 59.Va errno 60is set to indicate the error. 61.Pp 62.Rv -std pthread_mutexattr_setkind_np 63.Sh ERRORS 64The 65.Fn pthread_mutexattr_getkind_np 66and 67.Fn pthread_mutexattr_setkind_np 68functions will fail if: 69.Bl -tag -width Er 70.It Bq Er EINVAL 71The value specified by 72.Fa attr 73is invalid. 74.El 75.Sh SEE ALSO 76.Xr pthread_mutex_destroy 3 , 77.Xr pthread_mutex_init 3 , 78.Xr pthread_mutexattr_gettype 3 , 79.Xr pthread_mutexattr_settype 3 , 80.Xr pthread_np 3 81