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_SET_NAME_NP 3 29.Os 30.Sh NAME 31.Nm pthread_get_name_np , 32.Nm pthread_getname_np , 33.Nm pthread_set_name_np , 34.Nm pthread_setname_np 35.Nd set and retrieve the thread name 36.Sh LIBRARY 37.Lb libpthread 38.Sh SYNOPSIS 39.In pthread_np.h 40.Ft void 41.Fn pthread_get_name_np "pthread_t thread" "char *name" "size_t len" 42.Ft int 43.Fn pthread_getname_np "pthread_t thread" "char *name" "size_t len" 44.Ft void 45.Fn pthread_set_name_np "pthread_t thread" "const char *name" 46.Ft int 47.Fn pthread_setname_np "pthread_t thread" "const char *name" 48.Sh DESCRIPTION 49The 50.Fn pthread_set_name_np 51and 52.Fn pthread_setname_np 53functions apply a copy of the given 54.Fa name 55to the given 56.Fa thread . 57.Pp 58The 59.Fn pthread_get_name_np 60and 61.Fn pthread_getname_np 62functions retrieve the 63.Fa name 64associated with 65.Fa thread . 66If 67.Fn pthread_set_name_np 68was not previously called for 69.Fa thread , 70the buffer pointed to by 71.Fa name 72will be empty. 73.Sh ERRORS 74The 75.Nm pthread_getname_np 76and 77.Nm pthread_setname_np 78will fail if 79.Bl -tag -width Er 80.It Bq Er ESRCH 81No thread could be found in the current process corresponding to that 82specified by the given thread ID 83.Fa thread . 84.El 85.Pp 86Because of the debugging nature of 87.Nm pthread_get_name_np 88and 89.Nm pthread_set_name_np 90functions, all errors that may 91appear inside are silently ignored. 92.Sh SEE ALSO 93.Xr thr_set_name 2 , 94.Xr pthread_np 3 95.Sh STANDARDS 96.Fn pthread_set_name_np 97and 98.Fn pthread_get_name_np 99are non-standard extensions. 100.Fn pthread_setname_np 101and 102.Fn pthread_getname_np 103are also non-standard, but are implemented by larger number of operating 104systems so they are in fact more portable. 105.Sh AUTHORS 106This manual page was written by 107.An Alexey Zelkin Aq Mt phantom@FreeBSD.org 108and 109.An Yuri Pankov Aq Mt yuripv@yuripv.net . 110