sysdeps/pthread/tst-key1.c

   1 /* Copyright (C) 2002-2021 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 <limits.h>
  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 int
  31 do_test (void)
  32 {
  33   int max;
  34 #ifdef PTHREAD_KEYS_MAX
  35   max = PTHREAD_KEYS_MAX;
  36 #else
  37   max = _POSIX_THREAD_KEYS_MAX;
  38 #endif
  39   pthread_key_t *keys = alloca (max * sizeof (pthread_key_t));
  40
  41   int i;
  42   for (i = 0; i < max; ++i)
  43     if (pthread_key_create (&keys[i], NULL) != 0)
  44       {
  45         write_message ("key_create failed\n");
  46         _exit (1);
  47       }
  48     else
  49       {
  50         printf ("created key %d\n", i);
  51
  52         if (pthread_setspecific (keys[i], (const void *) (i + 100l)) != 0)
  53           {
  54             write (2, "setspecific failed\n", 19);
  55             _exit (1);
  56           }
  57       }
  58
  59   for (i = 0; i < max; ++i)
  60     {
  61       if (pthread_getspecific (keys[i]) != (void *) (i + 100l))
  62         {
  63           write (2, "getspecific failed\n", 19);
  64           _exit (1);
  65         }
  66
  67       if (pthread_key_delete (keys[i]) != 0)
  68         {
  69           write (2, "key_delete failed\n", 18);
  70           _exit (1);
  71         }
  72     }
  73
  74   /* Now it must be once again possible to allocate keys.  */
  75   if (pthread_key_create (&keys[0], NULL) != 0)
  76     {
  77       write (2, "2nd key_create failed\n", 22);
  78       _exit (1);
  79     }
  80
  81   if (pthread_key_delete (keys[0]) != 0)
  82     {
  83       write (2, "2nd key_delete failed\n", 22);
  84       _exit (1);
  85     }
  86
  87   return 0;
  88 }