sysdeps/pthread/tst-key2.c

   1 /* Copyright (C) 2002-2024 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 <unistd.h>
  21
  22 #define N 2
  23
  24
  25 static int do_test (void);
  26
  27 #define TEST_FUNCTION do_test ()
  28 #include "../test-skeleton.c"
  29
  30 static int cnt0;
  31 static void
  32 f0 (void *p)
  33 {
  34   ++cnt0;
  35 }
  36
  37
  38 static int cnt1;
  39 static void
  40 f1 (void *p)
  41 {
  42   ++cnt1;
  43 }
  44
  45
  46 static void (*fcts[N]) (void *) =
  47 {
  48   f0,
  49   f1
  50 };
  51
  52
  53 static void *
  54 tf (void *arg)
  55 {
  56   pthread_key_t *key = (pthread_key_t *) arg;
  57
  58   /* Use an arbitrary but valid pointer to avoid GCC warnings.  */
  59   if (pthread_setspecific (*key, arg) != 0)
  60     {
  61       write_message ("setspecific failed\n");
  62       _exit (1);
  63     }
  64
  65   return NULL;
  66 }
  67
  68
  69 int
  70 do_test (void)
  71 {
  72   pthread_key_t keys[N];
  73
  74   int i;
  75   for (i = 0; i < N; ++i)
  76     if (pthread_key_create (&keys[i], fcts[i]) != 0)
  77       {
  78         write_message ("key_create failed\n");
  79         _exit (1);
  80       }
  81
  82   pthread_t th;
  83   if (pthread_create (&th, NULL, tf, &keys[1]) != 0)
  84     {
  85       write_message ("create failed\n");
  86       _exit (1);
  87     }
  88
  89   if (pthread_join (th, NULL) != 0)
  90     {
  91       write_message ("join failed\n");
  92       _exit (1);
  93     }
  94
  95   if (cnt0 != 0)
  96     {
  97       write_message ("cnt0 != 0\n");
  98       _exit (1);
  99     }
 100
 101   if (cnt1 != 1)
 102     {
 103       write_message ("cnt1 != 1\n");
 104       _exit (1);
 105     }
 106
 107   for (i = 0; i < N; ++i)
 108     if (pthread_key_delete (keys[i]) != 0)
 109       {
 110         write_message ("key_delete failed\n");
 111         _exit (1);
 112       }
 113
 114   return 0;
 115 }