nptl/tst-cleanup1.c

   1 /* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <pthread.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24
  25
  26 static int global;
  27
  28
  29 static void
  30 ch (void *arg)
  31 {
  32   int val = (long int) arg;
  33
  34   printf ("ch (%d)\n", val);
  35
  36   global *= val;
  37   global += val;
  38 }
  39
  40
  41 static void *
  42 tf (void *a)
  43 {
  44   pthread_cancel (pthread_self ());
  45
  46   pthread_cleanup_push (ch, (void *) 1l);
  47
  48   pthread_cleanup_push (ch, (void *) 2l);
  49
  50   pthread_cleanup_push (ch, (void *) 3l);
  51
  52   pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
  53
  54   pthread_cleanup_pop (1);
  55
  56   pthread_cleanup_pop (1);
  57
  58   pthread_cleanup_pop (1);
  59
  60   return NULL;
  61 }
  62
  63
  64 int
  65 do_test (void)
  66 {
  67   pthread_t th;
  68
  69   if (pthread_create (&th, NULL, tf, NULL) != 0)
  70     {
  71       write (2, "create failed\n", 14);
  72       _exit (1);
  73     }
  74
  75   void *r;
  76   int e;
  77   if ((e = pthread_join (th, &r)) != 0)
  78     {
  79       printf ("join failed: %d\n", e);
  80       _exit (1);
  81     }
  82
  83   if (r != PTHREAD_CANCELED)
  84     {
  85       puts ("thread not canceled");
  86       exit (1);
  87     }
  88
  89   if (global != 9)
  90     {
  91       printf ("global = %d, expected 9\n", global);
  92       exit (1);
  93     }
  94
  95   return 0;
  96 }
  97
  98
  99 #define TEST_FUNCTION do_test ()
 100 #include "../test-skeleton.c"