nptl/tst-tsd1.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 <string.h>
  22
  23
  24 static int
  25 do_test (void)
  26 {
  27   pthread_key_t key1;
  28   pthread_key_t key2;
  29   void *value;
  30   int result = 0;
  31   int err;
  32
  33   err = pthread_key_create (&key1, NULL);
  34   if (err != 0)
  35     {
  36       printf ("1st key_create failed: %s\n", strerror (err));
  37       return 1;
  38     }
  39
  40   /* Initial value must be NULL.  */
  41   value = pthread_getspecific (key1);
  42   if (value != NULL)
  43     {
  44       puts ("1st getspecific != NULL");
  45       result = 1;
  46     }
  47
  48   err = pthread_setspecific (key1, (void *) -2l);
  49   if (err != 0)
  50     {
  51       printf ("1st setspecific failed: %s\n", strerror (err));
  52       return 1;
  53     }
  54
  55   value = pthread_getspecific (key1);
  56   if (value == NULL)
  57     {
  58       puts ("2nd getspecific == NULL\n");
  59       result = 1;
  60     }
  61   else if (value != (void *) -2l)
  62     {
  63       puts ("2nd getspecific != -2l\n");
  64       result = 1;
  65     }
  66
  67   err = pthread_setspecific (key1, (void *) -3l);
  68   if (err != 0)
  69     {
  70       printf ("2nd setspecific failed: %s\n", strerror (err));
  71       return 1;
  72     }
  73
  74   value = pthread_getspecific (key1);
  75   if (value == NULL)
  76     {
  77       puts ("3rd getspecific == NULL\n");
  78       result = 1;
  79     }
  80   else if (value != (void *) -3l)
  81     {
  82       puts ("3rd getspecific != -2l\n");
  83       result = 1;
  84     }
  85
  86   err = pthread_key_delete (key1);
  87   if (err != 0)
  88     {
  89       printf ("key_delete failed: %s\n", strerror (err));
  90       result = 1;
  91     }
  92
  93
  94   err = pthread_key_create (&key2, NULL);
  95   if (err != 0)
  96     {
  97       printf ("2nd key_create failed: %s\n", strerror (err));
  98       return 1;
  99     }
 100
 101   if (key1 != key2)
 102     puts ("key1 != key2; no more tests performed");
 103   else
 104     {
 105       value = pthread_getspecific (key2);
 106       if (value != NULL)
 107         {
 108           puts ("4th getspecific != NULL");
 109           result = 1;
 110         }
 111     }
 112
 113   return result;
 114 }
 115
 116 #define TEST_FUNCTION do_test ()
 117 #include "../test-skeleton.c"