65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Windows cannot detect the deadlock. Instead of throwing system_error,
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// it would dead lock the test
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// UNSUPPORTED: windows
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// TSAN bug: https://github.com/llvm/llvm-project/issues/66537
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// UNSUPPORTED: tsan
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// UNSUPPORTED: no-threads
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// UNSUPPORTED: no-exceptions
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// UNSUPPORTED: libcpp-has-no-experimental-stop_token
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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// XFAIL: availability-synchronization_library-missing
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// void join();
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#include <atomic>
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#include <cassert>
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#include <chrono>
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#include <concepts>
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#include <functional>
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#include <system_error>
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#include <thread>
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#include <type_traits>
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#include <vector>
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#include "make_test_thread.h"
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#include "test_macros.h"
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int main(int, char**) {
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// resource_deadlock_would_occur - if deadlock is detected or get_id() == this_thread::get_id().
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{
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std::function<void()> f;
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std::atomic_bool start = false;
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std::atomic_bool done = false;
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std::jthread jt = support::make_test_jthread([&] {
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start.wait(false);
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f();
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done = true;
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done.notify_all();
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});
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f = [&] {
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try {
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jt.join();
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assert(false);
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} catch (const std::system_error& err) {
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assert(err.code() == std::errc::resource_deadlock_would_occur);
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}
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};
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start = true;
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start.notify_all();
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done.wait(false);
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}
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return 0;
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}
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