sysdeps/pthread/tst-fini1mod.c

   1 /* Copyright (C) 2004-2022 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <pthread.h>
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <unistd.h>
  22
  23
  24 static void *
  25 tf (void *arg)
  26 {
  27   int fds[2];
  28   if (pipe (fds) != 0)
  29     {
  30       puts ("pipe failed");
  31       exit (1);
  32     }
  33
  34   char buf[10];
  35   read (fds[0], buf, sizeof (buf));
  36
  37   puts ("read returned");
  38   exit (1);
  39 }
  40
  41 static pthread_t th;
  42
  43 static void
  44 __attribute ((destructor))
  45 dest (void)
  46 {
  47   if (pthread_cancel (th) != 0)
  48     {
  49       puts ("cancel failed");
  50       _exit (1);
  51     }
  52   void *r;
  53   if (pthread_join (th, &r) != 0)
  54     {
  55       puts ("join failed");
  56       _exit (1);
  57     }
  58   /* Exit successfully.  */
  59   _exit (0);
  60 }
  61
  62 void
  63 m (void)
  64 {
  65   if (pthread_create (&th, NULL, tf, NULL) != 0)
  66     {
  67       puts ("create failed");
  68       _exit (1);
  69     }
  70 }