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475e154331
This patch introduces the support::make_test_jthread utility which is basically the same as support::make_test_thread but for std::jthread. It allows vendors to maintain a downstream way to create threads for use within the test suite, which is especially useful for embedded platforms.
52 lines
1.9 KiB
C++
52 lines
1.9 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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#ifndef TEST_SUPPORT_MAKE_TEST_THREAD_H
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#define TEST_SUPPORT_MAKE_TEST_THREAD_H
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#include <thread>
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#include <utility>
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#include "test_macros.h"
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namespace support {
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// These functions are used to mock the creation of threads within the test suite.
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//
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// This provides a vendor-friendly way of making the test suite work even on platforms
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// where the standard thread constructors don't work (e.g. embedded environments where
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// creating a thread requires additional information like setting attributes).
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//
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// Vendors can keep a downstream diff in this file to create threads however they
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// need on their platform, and the majority of the test suite will work out of the
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// box. Of course, tests that exercise the standard thread constructors won't work,
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// but any other test that only creates threads as a side effect of testing should
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// work if they use the utilities in this file.
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template <class F, class ...Args>
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std::thread make_test_thread(F&& f, Args&& ...args) {
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return std::thread(std::forward<F>(f), std::forward<Args>(args)...);
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}
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#if TEST_STD_VER >= 20 && !defined(_LIBCPP_HAS_NO_EXPERIMENTAL_STOP_TOKEN)
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# ifdef _LIBCPP_VERSION
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# define TEST_AVAILABILITY_SYNC _LIBCPP_AVAILABILITY_SYNC
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# else
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# define TEST_AVAILABILITY_SYNC
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# endif
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template <class F, class... Args>
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TEST_AVAILABILITY_SYNC std::jthread make_test_jthread(F&& f, Args&&... args) {
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return std::jthread(std::forward<F>(f), std::forward<Args>(args)...);
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}
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#endif
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} // end namespace support
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#endif // TEST_SUPPORT_MAKE_TEST_THREAD_H
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