| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // UNSUPPORTED: no-threads |
| |
| // <thread> |
| |
| // class thread |
| |
| // bool joinable() const; |
| |
| #include <thread> |
| #include <new> |
| #include <cstdlib> |
| #include <cassert> |
| |
| #include "make_test_thread.h" |
| #include "test_macros.h" |
| |
| class G |
| { |
| int alive_; |
| public: |
| static int n_alive; |
| static bool op_run; |
| |
| G() : alive_(1) {++n_alive;} |
| G(const G& g) : alive_(g.alive_) {++n_alive;} |
| ~G() {alive_ = 0; --n_alive;} |
| |
| void operator()() |
| { |
| assert(alive_ == 1); |
| assert(n_alive >= 1); |
| op_run = true; |
| } |
| }; |
| |
| int G::n_alive = 0; |
| bool G::op_run = false; |
| |
| int main(int, char**) |
| { |
| { |
| G g; |
| std::thread t0 = support::make_test_thread(g); |
| assert(t0.joinable()); |
| t0.join(); |
| assert(!t0.joinable()); |
| } |
| |
| return 0; |
| } |