nptl/tst-cleanup3.c

   1 /* Copyright (C) 2003-2018 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
   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 do_test (void);
  26
  27 #define TEST_FUNCTION do_test ()
  28 #include "../test-skeleton.c"
  29
  30 static int global;
  31
  32
  33 static void
  34 ch (void *arg)
  35 {
  36   int val = (long int) arg;
  37
  38   printf ("ch (%d)\n", val);
  39
  40   global *= val;
  41   global += val;
  42 }
  43
  44
  45 static void *
  46 tf (void *a)
  47 {
  48   pthread_cleanup_push (ch, (void *) 1l);
  49
  50   pthread_cleanup_push (ch, (void *) 2l);
  51
  52   pthread_cleanup_push (ch, (void *) 3l);
  53
  54   pthread_exit ((void *) 1l);
  55
  56   pthread_cleanup_pop (1);
  57
  58   pthread_cleanup_pop (1);
  59
  60   pthread_cleanup_pop (1);
  61
  62   return NULL;
  63 }
  64
  65
  66 int
  67 do_test (void)
  68 {
  69   pthread_t th;
  70
  71   if (pthread_create (&th, NULL, tf, NULL) != 0)
  72     {
  73       write_message ("create failed\n");
  74       _exit (1);
  75     }
  76
  77   void *r;
  78   int e;
  79   if ((e = pthread_join (th, &r)) != 0)
  80     {
  81       printf ("join failed: %d\n", e);
  82       _exit (1);
  83     }
  84
  85   if (r != (void *) 1l)
  86     {
  87       puts ("thread not canceled");
  88       exit (1);
  89     }
  90
  91   if (global != 9)
  92     {
  93       printf ("global = %d, expected 9\n", global);
  94       exit (1);
  95     }
  96
  97   return 0;
  98 }