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_SET_NAME_NP 3 27.Os 28.Sh NAME 29.Nm pthread_get_name_np , 30.Nm pthread_getname_np , 31.Nm pthread_set_name_np , 32.Nm pthread_setname_np 33.Nd set and retrieve the thread name 34.Sh LIBRARY 35.Lb libpthread 36.Sh SYNOPSIS 37.In pthread_np.h 38.Ft void 39.Fn pthread_get_name_np "pthread_t thread" "char *name" "size_t len" 40.Ft int 41.Fn pthread_getname_np "pthread_t thread" "char *name" "size_t len" 42.Ft void 43.Fn pthread_set_name_np "pthread_t thread" "const char *name" 44.Ft int 45.Fn pthread_setname_np "pthread_t thread" "const char *name" 46.Sh DESCRIPTION 47The 48.Fn pthread_set_name_np 49and 50.Fn pthread_setname_np 51functions apply a copy of the given 52.Fa name 53to the given 54.Fa thread . 55.Pp 56The 57.Fn pthread_get_name_np 58and 59.Fn pthread_getname_np 60functions retrieve the 61.Fa name 62associated with 63.Fa thread . 64If 65.Fn pthread_set_name_np 66was not previously called for 67.Fa thread , 68the buffer pointed to by 69.Fa name 70will be empty. 71.Sh ERRORS 72The 73.Nm pthread_getname_np 74and 75.Nm pthread_setname_np 76will fail if 77.Bl -tag -width Er 78.It Bq Er ESRCH 79No thread could be found in the current process corresponding to that 80specified by the given thread ID 81.Fa thread . 82.El 83.Pp 84Because of the debugging nature of 85.Nm pthread_get_name_np 86and 87.Nm pthread_set_name_np 88functions, all errors that may 89appear inside are silently ignored. 90.Sh SEE ALSO 91.Xr thr_set_name 2 , 92.Xr pthread_np 3 93.Sh STANDARDS 94.Fn pthread_set_name_np 95and 96.Fn pthread_get_name_np 97are non-standard extensions. 98.Fn pthread_setname_np 99and 100.Fn pthread_getname_np 101are also non-standard, but are implemented by larger number of operating 102systems so they are in fact more portable. 103.Sh AUTHORS 104This manual page was written by 105.An Alexey Zelkin Aq Mt phantom@FreeBSD.org 106and 107.An Yuri Pankov Aq Mt yuripv@yuripv.net . 108