f6d234d870
- varios "new sentence, new line" warnings - varios "sections out of conventional order" warnings - varios "unusual Xr order" warnings - varios "missing section argument" warnings - varios "no blank before trailing delimiter" warnings - varios "normalizing date format" warnings MFC after: 1 month
100 lines
2.9 KiB
Groff
100 lines
2.9 KiB
Groff
.\" Copyright (c) 2016 The FreeBSD Foundation, Inc.
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" This documentation was written by
|
|
.\" Konstantin Belousov <kib@FreeBSD.org> under sponsorship
|
|
.\" from the FreeBSD Foundation.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd May 5, 2020
|
|
.Dt THR_SET_NAME 2
|
|
.Os
|
|
.Sh NAME
|
|
.Nm thr_set_name
|
|
.Nd set user-visible thread name
|
|
.Sh LIBRARY
|
|
.Lb libc
|
|
.Sh SYNOPSIS
|
|
.In sys/thr.h
|
|
.Ft int
|
|
.Fn thr_set_name "long id" "const char *name"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Fn thr_set_name
|
|
system call sets the user-visible name for the thread with the identifier
|
|
.Va id
|
|
in the current process to the NUL-terminated string
|
|
.Va name .
|
|
The name will be silently truncated to fit into a buffer of
|
|
.Dv MAXCOMLEN + 1
|
|
bytes.
|
|
The thread name can be seen in the output of the
|
|
.Xr ps 1
|
|
and
|
|
.Xr top 1
|
|
commands, in the kernel debuggers and kernel tracing facility outputs,
|
|
and in userland debuggers and program core files, as notes.
|
|
.Sh RETURN VALUES
|
|
If successful,
|
|
.Fn thr_set_name
|
|
returns zero; otherwise, \-1 is returned, and
|
|
.Va errno
|
|
is set to indicate the error.
|
|
.Sh ERRORS
|
|
The
|
|
.Fn thr_set_name
|
|
system call may return the following errors:
|
|
.Bl -tag -width Er
|
|
.It Bq Er EFAULT
|
|
The memory pointed to by the
|
|
.Fa name
|
|
argument is not valid.
|
|
.It Bq Er ESRCH
|
|
The thread with the identifier
|
|
.Fa id
|
|
does not exist in the current process.
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr ps 1 ,
|
|
.Xr _umtx_op 2 ,
|
|
.Xr thr_exit 2 ,
|
|
.Xr thr_kill 2 ,
|
|
.Xr thr_kill2 2 ,
|
|
.Xr thr_new 2 ,
|
|
.Xr thr_self 2 ,
|
|
.Xr pthread_set_name_np 3 ,
|
|
.Xr ddb 4 ,
|
|
.Xr ktr 9
|
|
.Sh STANDARDS
|
|
The
|
|
.Fn thr_set_name
|
|
system call is non-standard and is used by the
|
|
.Lb libthr .
|
|
.Sh HISTORY
|
|
The
|
|
.Fn thr_set_name
|
|
system call first appeared in
|
|
.Fx 5.2 .
|