elf/tst-audit21.c

   1 /* Check LD_AUDIT with static TLS.
   2    Copyright (C) 2022-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library 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    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <ctype.h>
  20 #include <support/xthread.h>
  21 #include <support/check.h>
  22
  23 static volatile __thread int out __attribute__ ((tls_model ("initial-exec")));
  24
  25 static void *
  26 tf (void *arg)
  27 {
  28   TEST_COMPARE (out, 0);
  29   out = isspace (' ');
  30   return NULL;
  31 }
  32
  33 int main (int argc, char *argv[])
  34 {
  35   TEST_COMPARE (out, 0);
  36   out = isspace (' ');
  37
  38   pthread_t t = xpthread_create (NULL, tf, NULL);
  39   xpthread_join (t);
  40
  41   return 0;
  42 }