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, 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 int global;
  26
  27
  28 static void
  29 ch (void *arg)
  30 {
  31   int val = (long int) arg;
  32
  33   printf ("ch (%d)\n", val);
  34
  35   global *= val;
  36   global += val;
  37 }
  38
  39
  40 static void *
  41 tf (void *a)
  42 {
  43   pthread_cancel (pthread_self ());
  44
  45   pthread_cleanup_push (ch, (void *) 1l);
  46
  47   pthread_cleanup_push (ch, (void *) 2l);
  48
  49   pthread_cleanup_push (ch, (void *) 3l);
  50
  51   pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
  52
  53   pthread_cleanup_pop (1);
  54
  55   pthread_cleanup_pop (1);
  56
  57   pthread_cleanup_pop (1);
  58
  59   return NULL;
  60 }
  61
  62
  63 int
  64 do_test (void)
  65 {
  66   pthread_t th;
  67
  68   if (pthread_create (&th, NULL, tf, NULL) != 0)
  69     {
  70       write (2, "create failed\n", 14);
  71       _exit (1);
  72     }
  73
  74   void *r;
  75   int e;
  76   if ((e = pthread_join (th, &r)) != 0)
  77     {
  78       printf ("join failed: %d\n", e);
  79       _exit (1);
  80     }
  81
  82   if (r != PTHREAD_CANCELED)
  83     {
  84       puts ("thread not canceled");
  85       exit (1);
  86     }
  87
  88   if (global != 9)
  89     {
  90       printf ("global = %d, expected 9\n", global);
  91       exit (1);
  92     }
  93
  94   return 0;
  95 }
  96
  97
  98 #define TEST_FUNCTION do_test ()
  99 #include "../test-skeleton.c"