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111
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1 // { dg-do run }
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2 // { dg-options "-pthread" }
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3 // { dg-require-effective-target c++11 }
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4 // { dg-require-effective-target pthread }
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5 // { dg-require-gthreads "" }
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6
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145
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7 // Copyright (C) 2008-2020 Free Software Foundation, Inc.
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111
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8 //
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9 // This file is part of the GNU ISO C++ Library. This library is free
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10 // software; you can redistribute it and/or modify it under the
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11 // terms of the GNU General Public License as published by the
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12 // Free Software Foundation; either version 3, or (at your option)
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13 // any later version.
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14
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15 // This library is distributed in the hope that it will be useful,
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16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19
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20 // You should have received a copy of the GNU General Public License along
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21 // with this library; see the file COPYING3. If not see
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22 // <http://www.gnu.org/licenses/>.
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23
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24
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25 #include <mutex>
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26 #include <system_error>
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27 #include <testsuite_hooks.h>
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28
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29 int main()
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30 {
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31 typedef std::mutex mutex_type;
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32 typedef std::unique_lock<mutex_type> lock_type;
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33
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34 try
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35 {
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36 lock_type lock;
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37
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38 VERIFY( !lock.owns_lock() );
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39 VERIFY( !(bool)lock );
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40 }
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41 catch (const std::system_error& e)
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42 {
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43 VERIFY( false );
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44 }
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45 catch (...)
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46 {
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47 VERIFY( false );
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48 }
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49
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50 return 0;
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51 }
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