nptl/tst-fini1mod.c

   1 /* Copyright (C) 2004-2019 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
   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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <pthread.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <unistd.h>
  23
  24
  25 static void *
  26 tf (void *arg)
  27 {
  28   int fds[2];
  29   if (pipe (fds) != 0)
  30     {
  31       puts ("pipe failed");
  32       exit (1);
  33     }
  34
  35   char buf[10];
  36   read (fds[0], buf, sizeof (buf));
  37
  38   puts ("read returned");
  39   exit (1);
  40 }
  41
  42 static pthread_t th;
  43
  44 static void
  45 __attribute ((destructor))
  46 dest (void)
  47 {
  48   if (pthread_cancel (th) != 0)
  49     {
  50       puts ("cancel failed");
  51       _exit (1);
  52     }
  53   void *r;
  54   if (pthread_join (th, &r) != 0)
  55     {
  56       puts ("join failed");
  57       _exit (1);
  58     }
  59   /* Exit successfully.  */
  60   _exit (0);
  61 }
  62
  63 void
  64 m (void)
  65 {
  66   if (pthread_create (&th, NULL, tf, NULL) != 0)
  67     {
  68       puts ("create failed");
  69       _exit (1);
  70     }
  71 }