nptl/tst-typesizes.c

   1 /* Copyright (C) 2005-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
   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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <stdio.h>
  20 #include <pthreadP.h>
  21 #include <semaphore.h>
  22
  23 static const struct
  24 {
  25   const char *name;
  26   size_t expected;
  27   size_t is;
  28 } types[] =
  29   {
  30 #define T(t, c) \
  31     { #t, c, sizeof (t) }
  32     T (pthread_attr_t, __SIZEOF_PTHREAD_ATTR_T),
  33     T (pthread_mutex_t, __SIZEOF_PTHREAD_MUTEX_T),
  34     T (pthread_mutexattr_t, __SIZEOF_PTHREAD_MUTEXATTR_T),
  35     T (pthread_cond_t, __SIZEOF_PTHREAD_COND_T),
  36     T (pthread_condattr_t, __SIZEOF_PTHREAD_CONDATTR_T),
  37     T (pthread_rwlock_t, __SIZEOF_PTHREAD_RWLOCK_T),
  38     T (pthread_rwlockattr_t, __SIZEOF_PTHREAD_RWLOCKATTR_T),
  39     T (pthread_barrier_t, __SIZEOF_PTHREAD_BARRIER_T),
  40     T (pthread_barrierattr_t, __SIZEOF_PTHREAD_BARRIERATTR_T)
  41   };
  42
  43 static int
  44 do_test (void)
  45 {
  46   int result = 0;
  47
  48 #define TEST_TYPE(name) \
  49   printf ("%s: ", #name);                                                     \
  50   if (sizeof (name) != sizeof (((name *) 0)->__size))                         \
  51     {                                                                         \
  52       printf ("expected %zu, is %zu\n",                                       \
  53               sizeof (((name *) 0)->__size), sizeof (name));                  \
  54       result = 1;                                                             \
  55     }                                                                         \
  56   else                                                                        \
  57     puts ("OK")
  58
  59   TEST_TYPE (pthread_mutex_t);
  60   TEST_TYPE (pthread_cond_t);
  61   TEST_TYPE (pthread_rwlock_t);
  62
  63 #define TEST_TYPE2(name, internal)                                            \
  64   printf ("%s: ", #name);                                                     \
  65   if (sizeof (((name *) 0)->__size) < sizeof (internal))                      \
  66     {                                                                         \
  67       printf ("expected %zu, is %zu\n",                                       \
  68               sizeof (((name *) 0)->__size), sizeof (internal));              \
  69       result = 1;                                                             \
  70     }                                                                         \
  71   else                                                                        \
  72     puts ("OK")
  73
  74   TEST_TYPE2 (pthread_attr_t, struct pthread_attr);
  75   TEST_TYPE2 (pthread_mutexattr_t, struct pthread_mutexattr);
  76   TEST_TYPE2 (pthread_condattr_t, struct pthread_condattr);
  77   TEST_TYPE2 (pthread_rwlockattr_t, struct pthread_rwlockattr);
  78   TEST_TYPE2 (pthread_barrier_t, struct pthread_barrier);
  79   TEST_TYPE2 (pthread_barrierattr_t, struct pthread_barrierattr);
  80   TEST_TYPE2 (sem_t, struct new_sem);
  81   TEST_TYPE2 (sem_t, struct old_sem);
  82
  83   for (size_t i = 0; i < sizeof (types) / sizeof (types[0]); ++i)
  84     if (types[i].expected != types[i].is)
  85       {
  86         printf ("%s: expected %zu, is %zu\n",
  87                 types[i].name, types[i].expected, types[i].is);
  88         result = 1;
  89       }
  90
  91   return result;
  92 }
  93
  94 #define TEST_FUNCTION do_test ()
  95 #include "../test-skeleton.c"