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9275f73a TS |
1 | // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } } |
2 | // { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-gnu* powerpc-ibm-aix* } } | |
9b2b801a JW |
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 | ||
aa118a03 | 8 | // Copyright (C) 2010-2014 Free Software Foundation, Inc. |
9b2b801a JW |
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 <mutex> | |
27 | #include <thread> | |
28 | #include <testsuite_hooks.h> | |
29 | ||
30 | void locker(std::mutex& m1, std::mutex& m2, std::mutex& m3) | |
31 | { | |
32 | bool test __attribute__((unused)) = true; | |
33 | ||
34 | typedef std::unique_lock<std::mutex> lock_type; | |
35 | ||
36 | lock_type l1(m1, std::defer_lock); | |
37 | lock_type l2(m2, std::defer_lock); | |
38 | lock_type l3(m3, std::defer_lock); | |
39 | std::lock(l1, l2, l3); | |
40 | VERIFY( l1.owns_lock() ); | |
41 | VERIFY( l2.owns_lock() ); | |
42 | VERIFY( l3.owns_lock() ); | |
43 | } | |
44 | ||
45 | void test01() | |
46 | { | |
47 | std::mutex m1, m2, m3; | |
48 | std::thread t1(locker, std::ref(m1), std::ref(m2), std::ref(m3)); | |
49 | std::thread t2(locker, std::ref(m3), std::ref(m2), std::ref(m1)); | |
50 | t1.join(); | |
51 | t2.join(); | |
52 | } | |
53 | ||
54 | int main() | |
55 | { | |
56 | test01(); | |
57 | return 0; | |
58 | } |