1  /* Copyright (C) 2002-2023 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 <string.h>
      21  
      22  
      23  static int result;
      24  
      25  
      26  static void
      27  destr (void *arg)
      28  {
      29    if (arg != (void *) &result)
      30      result = 2;
      31    else
      32      result = 0;
      33  }
      34  
      35  
      36  static void *
      37  tf (void *arg)
      38  {
      39    pthread_key_t key = (pthread_key_t) (long int) arg;
      40    int err;
      41  
      42    /* Use an arbitrary but valid pointer to avoid GCC warnings.  */
      43    err = pthread_setspecific (key, &result);
      44    if (err != 0)
      45      result = 3;
      46  
      47    return NULL;
      48  }
      49  
      50  
      51  static int
      52  do_test (void)
      53  {
      54    pthread_key_t key;
      55    pthread_t th;
      56    int err;
      57  
      58    err = pthread_key_create (&key, destr);
      59    if (err != 0)
      60      {
      61        printf ("key_create failed: %s\n", strerror (err));
      62        return 1;
      63      }
      64  
      65    result = 1;
      66  
      67    err = pthread_create (&th, NULL, tf, (void *) (long int) key);
      68    if (err != 0)
      69      {
      70        printf ("create failed: %s\n", strerror (err));
      71        return 1;
      72      }
      73  
      74    /* Wait for the thread to terminate.  */
      75    err = pthread_join (th, NULL);
      76    if (err != 0)
      77      {
      78        printf ("join failed: %s\n", strerror (err));
      79        return 1;
      80      }
      81  
      82    if (result == 1)
      83      puts ("destructor not called");
      84    else if (result == 2)
      85      puts ("destructor got passed a wrong value");
      86    else if (result == 3)
      87      puts ("setspecific in child failed");
      88    else if (result != 0)
      89      puts ("result != 0");
      90  
      91    return result;
      92  }
      93  
      94  
      95  #define TEST_FUNCTION do_test ()
      96  #include "../test-skeleton.c"