sysdeps/pthread/tst-cleanup1.c

   1 /* Copyright (C) 2002-2022 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 int do_test (void);
  25
  26 #define TEST_FUNCTION do_test ()
  27 #include "../test-skeleton.c"
  28
  29 static int global;
  30
  31
  32 static void
  33 ch (void *arg)
  34 {
  35   int val = (long int) arg;
  36
  37   printf ("ch (%d)\n", val);
  38
  39   global *= val;
  40   global += val;
  41 }
  42
  43
  44 static void *
  45 tf (void *a)
  46 {
  47   pthread_cancel (pthread_self ());
  48
  49   pthread_cleanup_push (ch, (void *) 1l);
  50
  51   pthread_cleanup_push (ch, (void *) 2l);
  52
  53   pthread_cleanup_push (ch, (void *) 3l);
  54
  55   pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
  56
  57   pthread_cleanup_pop (1);
  58
  59   pthread_cleanup_pop (1);
  60
  61   pthread_cleanup_pop (1);
  62
  63   return NULL;
  64 }
  65
  66
  67 int
  68 do_test (void)
  69 {
  70   pthread_t th;
  71
  72   if (pthread_create (&th, NULL, tf, NULL) != 0)
  73     {
  74       write_message ("create failed\n");
  75       _exit (1);
  76     }
  77
  78   void *r;
  79   int e;
  80   if ((e = pthread_join (th, &r)) != 0)
  81     {
  82       printf ("join failed: %d\n", e);
  83       _exit (1);
  84     }
  85
  86   if (r != PTHREAD_CANCELED)
  87     {
  88       puts ("thread not canceled");
  89       exit (1);
  90     }
  91
  92   if (global != 9)
  93     {
  94       printf ("global = %d, expected 9\n", global);
  95       exit (1);
  96     }
  97
  98   return 0;
  99 }