Blame nptl/tst-mutex1.c

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/* Copyright (C) 2002-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#include <pthread.h>
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#include <stdio.h>
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#include <errno.h>
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#include <stdbool.h>
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#include <libc-diag.h>
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#ifndef ATTR
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# define ATTR NULL
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# define ATTR_NULL true
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#endif
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static int
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do_test (void)
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{
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  pthread_mutex_t m;
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  int e = pthread_mutex_init (&m, ATTR);
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  if (!ATTR_NULL && e == ENOTSUP)
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    {
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      puts ("cannot support selected type of mutexes");
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      return 0;
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    }
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  else if (e != 0)
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    {
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      puts ("mutex_init failed");
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      return 1;
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    }
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  /* This deliberately tests supplying a null pointer to a function whose
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     argument is marked __attribute__ ((nonnull)). */
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  DIAG_PUSH_NEEDS_COMMENT;
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  DIAG_IGNORE_NEEDS_COMMENT (5, "-Wnonnull");
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  if (!ATTR_NULL && pthread_mutexattr_destroy (ATTR) != 0)
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    {
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      puts ("mutexattr_destroy failed");
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      return 1;
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    }
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  DIAG_POP_NEEDS_COMMENT;
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  if (pthread_mutex_lock (&m) != 0)
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    {
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      puts ("mutex_lock failed");
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      return 1;
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    }
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  if (pthread_mutex_unlock (&m) != 0)
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    {
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      puts ("mutex_unlock failed");
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      return 1;
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    }
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  if (pthread_mutex_destroy (&m) != 0)
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    {
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      puts ("mutex_destroy failed");
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      return 1;
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    }
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  return 0;
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}
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#ifndef TEST_FUNCTION
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# define TEST_FUNCTION do_test ()
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#endif
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#include "../test-skeleton.c"