libstdc++-v3/testsuite/30_threads/timed_mutex/unlock/2.cc

   1 // { dg-do run }
   2 // { dg-options "-pthread"  }
   3 // { dg-require-effective-target c++11 }
   4 // { dg-require-effective-target pthread }
   5 // { dg-require-gthreads "" }
   6
   7 // Copyright (C) 2015-2020 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 #include <mutex>
  25 #include <thread>
  26
  27 using mutex_type = std::timed_mutex;
  28
  29 mutex_type m;
  30
  31 void f()
  32 {
  33   std::lock_guard<mutex_type> l(m);
  34 }
  35
  36 int main()
  37 {
  38   std::thread t1(f);
  39   std::thread t2(f);
  40   t1.join();
  41   t2.join();
  42 }