libiberty/setproctitle.c

   1 /* Set the title of a process.
   2    Copyright (C) 2010-2023 Free Software Foundation, Inc.
   3
   4 This file is part of the libiberty library.
   5 Libiberty is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Library General Public
   7 License as published by the Free Software Foundation; either
   8 version 2 of the License, or (at your option) any later version.
   9
  10 Libiberty is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with libiberty; see the file COPYING.LIB.  If not,
  17 write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  18 Boston, MA 02110-1301, USA.  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23 #ifdef HAVE_SYS_PRCTL_H
  24 #include <sys/types.h>
  25 #include <sys/prctl.h>
  26 #endif
  27 #include "ansidecl.h"
  28
  29 /*
  30
  31 @deftypefn Supplemental void setproctitle (const char *@var{fmt}, ...)
  32
  33 Set the title of a process to @var{fmt}. va args not supported for now,
  34 but defined for compatibility with BSD.
  35
  36 @end deftypefn
  37
  38 */
  39
  40 void
  41 setproctitle (const char *name ATTRIBUTE_UNUSED, ...)
  42 {
  43 #ifdef PR_SET_NAME
  44   /* On GNU/Linux this sets the top visible "comm", but not
  45      necessarily the name visible in ps. */
  46   prctl (PR_SET_NAME, name);
  47 #endif
  48 }