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
8// Copyright (C) 2008, 2009 Free Software Foundation, Inc.
9//
10// This file is part of the GNU ISO C++ Library.  This library is free
11// software; you can redistribute it and/or modify it under the
12// terms of the GNU General Public License as published by the
13// Free Software Foundation; either version 3, or (at your option)
14// any later version.
15
16// This library is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19// GNU General Public License for more details.
20
21// You should have received a copy of the GNU General Public License along
22// with this library; see the file COPYING3.  If not see
23// <http://www.gnu.org/licenses/>.
24
25
26#include <functional> // std::unary_function, std::ref
27#include <thread>
28#include <system_error>
29#include <testsuite_hooks.h>
30
31struct copyable : public std::unary_function<std::thread::id&, void>
32{
33  copyable() = default;
34  ~copyable() = default;
35  copyable(const copyable& c)
36  { ++copy_count; }
37
38  void operator()(std::thread::id& id) const
39  {
40    id = std::this_thread::get_id();
41  }
42
43  static int copy_count;
44};
45
46int copyable::copy_count = 0;
47
48// same as 2, but function is copyable function object
49// thread variadic cons not copied when std::ref
50// thread variadic cons copied when not std::ref
51// no errors
52void test03()
53{
54  bool test __attribute__((unused)) = true;
55
56  try
57    {
58      std::thread::id t1_id1;
59      copyable c1;
60      std::thread t1(std::ref(c1), std::ref(t1_id1));
61      std::thread::id t1_id2 = t1.get_id();
62      VERIFY( t1.joinable() );
63      t1.join();
64      VERIFY( !t1.joinable() );
65      VERIFY( t1_id1 == t1_id2 );
66      VERIFY( copyable::copy_count == 0 );
67
68      std::thread::id t2_id1;
69      copyable c2;
70      std::thread t2(c2, std::ref(t2_id1));
71      std::thread::id t2_id2 = t2.get_id();
72      VERIFY( t2.joinable() );
73      t2.join();
74      VERIFY( !t2.joinable() );
75      VERIFY( t2_id1 == t2_id2 );
76      VERIFY( copyable::copy_count > 0 );
77    }
78  catch (const std::system_error&)
79    {
80      VERIFY( false );
81    }
82  catch (...)
83    {
84      VERIFY( false );
85    }
86}
87
88int main()
89{
90  test03();
91  return 0;
92}
93