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fb211fce | 1 | // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-rtems* *-*-darwin1[1-9]* powerpc-ibm-aix* } } |
8868286e | 2 | // { dg-options " -std=gnu++11 -pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* powerpc-ibm-aix* } } |
3 | // { dg-options " -std=gnu++11 -pthreads" { target *-*-solaris* } } | |
fb211fce | 4 | // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } } |
88f1a24d | 5 | // { dg-require-cstdint "" } |
6 | // { dg-require-gthreads "" } | |
7 | ||
f1717362 | 8 | // Copyright (C) 2012-2016 Free Software Foundation, Inc. |
88f1a24d | 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 | #include <vector> | |
26 | #include <mutex> | |
27 | #include <condition_variable> | |
28 | #include <thread> | |
29 | ||
30 | // PR libstdc++/54185 | |
31 | ||
32 | std::condition_variable* cond = nullptr; | |
33 | std::mutex mx; | |
34 | int started = 0; | |
35 | int constexpr NUM_THREADS = 10; | |
36 | ||
37 | void do_thread_a() | |
38 | { | |
39 | std::unique_lock<std::mutex> lock(mx); | |
40 | if(++started >= NUM_THREADS) | |
41 | { | |
42 | cond->notify_all(); | |
43 | delete cond; | |
44 | cond = nullptr; | |
45 | } | |
46 | else | |
47 | cond->wait(lock); | |
48 | } | |
49 | ||
50 | int main(){ | |
51 | std::vector<std::thread> vec; | |
52 | for(int j = 0; j < 1000; ++j) | |
53 | { | |
54 | started = 0; | |
55 | cond = new std::condition_variable; | |
56 | for (int i = 0; i < NUM_THREADS; ++i) | |
57 | vec.emplace_back(&do_thread_a); | |
58 | for (int i = 0; i < NUM_THREADS; ++i) | |
59 | vec[i].join(); | |
60 | vec.clear(); | |
61 | } | |
62 | } |