libstdc++-v3/testsuite/30_threads/this_thread/4.cc

   1 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
   2 // { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }
   3 // { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
   4 // { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
   5 // { dg-require-cstdint "" }
   6 // { dg-require-gthreads "" }
   7 // { dg-require-nanosleep "" }
   8
   9 // Copyright (C) 2008 Free Software Foundation, Inc.
  10 //
  11 // This file is part of the GNU ISO C++ Library.  This library is free
  12 // software; you can redistribute it and/or modify it under the
  13 // terms of the GNU General Public License as published by the
  14 // Free Software Foundation; either version 2, or (at your option)
  15 // any later version.
  16
  17 // This library is distributed in the hope that it will be useful,
  18 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 // GNU General Public License for more details.
  21
  22 // You should have received a copy of the GNU General Public License along
  23 // with this library; see the file COPYING.  If not, write to the Free
  24 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  25 // USA.
  26
  27 // As a special exception, you may use this file as part of a free software
  28 // library without restriction.  Specifically, if other files instantiate
  29 // templates or use macros or inline functions from this file, or you compile
  30 // this file and link it with other files to produce an executable, this
  31 // file does not by itself cause the resulting executable to be covered by
  32 // the GNU General Public License.  This exception does not however
  33 // invalidate any other reasons why the executable file might be covered by
  34 // the GNU General Public License.
  35
  36 #include <chrono>
  37 #include <thread>
  38 #include <system_error>
  39 #include <testsuite_hooks.h>
  40
  41 namespace chr = std::chrono;
  42
  43 void foo()
  44 {
  45   bool test __attribute__((unused)) = true;
  46
  47   chr::system_clock::time_point begin = chr::system_clock::now();
  48   chr::microseconds ms(500);
  49
  50   std::this_thread::sleep_until(chr::system_clock::now() + ms);
  51
  52   VERIFY( (chr::system_clock::now() - begin) >= ms );
  53 }
  54
  55 int main()
  56 {
  57   bool test __attribute__((unused)) = true;
  58
  59   try
  60     {
  61       std::thread t(foo);
  62       t.join();
  63     }
  64   catch (const std::system_error&)
  65     {
  66       VERIFY( false );
  67     }
  68   catch (...)
  69     {
  70       VERIFY( false );
  71     }
  72
  73   return 0;
  74 }