nptl/tst-cleanup1.c

   1 /* Copyright (C) 2002-2020 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    <https://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_cancel (pthread_self ());
  49
  50   pthread_cleanup_push (ch, (void *) 1l);
  51
  52   pthread_cleanup_push (ch, (void *) 2l);
  53
  54   pthread_cleanup_push (ch, (void *) 3l);
  55
  56   pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
  57
  58   pthread_cleanup_pop (1);
  59
  60   pthread_cleanup_pop (1);
  61
  62   pthread_cleanup_pop (1);
  63
  64   return NULL;
  65 }
  66
  67
  68 int
  69 do_test (void)
  70 {
  71   pthread_t th;
  72
  73   if (pthread_create (&th, NULL, tf, NULL) != 0)
  74     {
  75       write_message ("create failed\n");
  76       _exit (1);
  77     }
  78
  79   void *r;
  80   int e;
  81   if ((e = pthread_join (th, &r)) != 0)
  82     {
  83       printf ("join failed: %d\n", e);
  84       _exit (1);
  85     }
  86
  87   if (r != PTHREAD_CANCELED)
  88     {
  89       puts ("thread not canceled");
  90       exit (1);
  91     }
  92
  93   if (global != 9)
  94     {
  95       printf ("global = %d, expected 9\n", global);
  96       exit (1);
  97     }
  98
  99   return 0;
 100 }