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

   1 // { dg-do run }
   2 // { dg-additional-options "-pthread" { target pthread } }
   3 // { dg-require-effective-target c++11 }
   4 // { dg-require-gthreads "" }
   5
   6 // Copyright (C) 2015-2024 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 #include <mutex>
  24 #include <thread>
  25
  26 using mutex_type = std::timed_mutex;
  27
  28 mutex_type m;
  29
  30 void f()
  31 {
  32   std::lock_guard<mutex_type> l(m);
  33 }
  34
  35 int main()
  36 {
  37   std::thread t1(f);
  38   std::thread t2(f);
  39   t1.join();
  40   t2.join();
  41 }