sysdeps/pthread/tst-key1.c

   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 <limits.h>
  19 #include <pthread.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <unistd.h>
  23
  24 #include <support/xunistd.h>
  25
  26 static int do_test (void);
  27
  28 #define TEST_FUNCTION do_test ()
  29 #include "../test-skeleton.c"
  30
  31 int
  32 do_test (void)
  33 {
  34   int max;
  35 #ifdef PTHREAD_KEYS_MAX
  36   max = PTHREAD_KEYS_MAX;
  37 #else
  38   max = _POSIX_THREAD_KEYS_MAX;
  39 #endif
  40   pthread_key_t *keys = alloca (max * sizeof (pthread_key_t));
  41
  42   int i;
  43   for (i = 0; i < max; ++i)
  44     if (pthread_key_create (&keys[i], NULL) != 0)
  45       {
  46         write_message ("key_create failed\n");
  47         _exit (1);
  48       }
  49     else
  50       {
  51         printf ("created key %d\n", i);
  52
  53         if (pthread_setspecific (keys[i], (const void *) (i + 100l)) != 0)
  54           {
  55             xwrite (2, "setspecific failed\n", 19);
  56             _exit (1);
  57           }
  58       }
  59
  60   for (i = 0; i < max; ++i)
  61     {
  62       if (pthread_getspecific (keys[i]) != (void *) (i + 100l))
  63         {
  64           xwrite (2, "getspecific failed\n", 19);
  65           _exit (1);
  66         }
  67
  68       if (pthread_key_delete (keys[i]) != 0)
  69         {
  70           xwrite (2, "key_delete failed\n", 18);
  71           _exit (1);
  72         }
  73     }
  74
  75   /* Now it must be once again possible to allocate keys.  */
  76   if (pthread_key_create (&keys[0], NULL) != 0)
  77     {
  78       xwrite (2, "2nd key_create failed\n", 22);
  79       _exit (1);
  80     }
  81
  82   if (pthread_key_delete (keys[0]) != 0)
  83     {
  84       xwrite (2, "2nd key_delete failed\n", 22);
  85       _exit (1);
  86     }
  87
  88   return 0;
  89 }