nptl/tst-initializers1.c

   1 /* Copyright (C) 2005-2024 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 /* We test the code undef conditions outside of glibc.  */
  19 #undef _LIBC
  20
  21 #include <pthread.h>
  22
  23 pthread_mutex_t mtx_normal = PTHREAD_MUTEX_INITIALIZER;
  24 pthread_mutex_t mtx_recursive = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
  25 pthread_mutex_t mtx_errorchk = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP;
  26 pthread_mutex_t mtx_adaptive = PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP;
  27 pthread_rwlock_t rwl_normal = PTHREAD_RWLOCK_INITIALIZER;
  28 pthread_rwlock_t rwl_writer
  29   = PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP;
  30 pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
  31
  32 static int
  33 do_test (void)
  34 {
  35   if (mtx_normal.__data.__kind != PTHREAD_MUTEX_TIMED_NP)
  36     return 1;
  37   if (mtx_recursive.__data.__kind != PTHREAD_MUTEX_RECURSIVE_NP)
  38     return 2;
  39   if (mtx_errorchk.__data.__kind != PTHREAD_MUTEX_ERRORCHECK_NP)
  40     return 3;
  41   if (mtx_adaptive.__data.__kind != PTHREAD_MUTEX_ADAPTIVE_NP)
  42     return 4;
  43   if (rwl_normal.__data.__flags != PTHREAD_RWLOCK_PREFER_READER_NP)
  44     return 5;
  45   if (rwl_writer.__data.__flags
  46       != PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP)
  47     return 6;
  48   /* <libc-lock.h> __libc_rwlock_init definition for libc.so
  49      relies on PTHREAD_RWLOCK_INITIALIZER being all zeros.  If
  50      that ever changes, <libc-lock.h> needs updating.  */
  51   size_t i;
  52   for (i = 0; i < sizeof (rwl_normal); i++)
  53     if (((char *) &rwl_normal)[i] != '\0')
  54       return 7;
  55   return 0;
  56 }
  57
  58 #define TEST_FUNCTION do_test ()
  59 #include "../test-skeleton.c"