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