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34933d1872
Previously the header included several headers, possibly granularized threading headers. This could lead to build errors when these headers were incompatible with threading disabled. Now test the guard before inclusion. This matches the pattern used for no localization and no wide characters. Fixes: https://github.com/llvm/llvm-project/issues/76620
133 lines
3.2 KiB
C++
133 lines
3.2 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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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 _LIBCPP_THREAD
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#define _LIBCPP_THREAD
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/*
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thread synopsis
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namespace std
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{
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class thread
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{
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public:
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class id;
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typedef pthread_t native_handle_type;
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thread() noexcept;
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template <class F, class ...Args> explicit thread(F&& f, Args&&... args);
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~thread();
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thread(const thread&) = delete;
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thread(thread&& t) noexcept;
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thread& operator=(const thread&) = delete;
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thread& operator=(thread&& t) noexcept;
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void swap(thread& t) noexcept;
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bool joinable() const noexcept;
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void join();
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void detach();
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id get_id() const noexcept;
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native_handle_type native_handle();
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static unsigned hardware_concurrency() noexcept;
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};
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void swap(thread& x, thread& y) noexcept;
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class thread::id
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{
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public:
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id() noexcept;
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};
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bool operator==(thread::id x, thread::id y) noexcept;
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bool operator!=(thread::id x, thread::id y) noexcept; // removed in C++20
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bool operator< (thread::id x, thread::id y) noexcept; // removed in C++20
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bool operator<=(thread::id x, thread::id y) noexcept; // removed in C++20
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bool operator> (thread::id x, thread::id y) noexcept; // removed in C++20
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bool operator>=(thread::id x, thread::id y) noexcept; // removed in C++20
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strong_ordering operator<=>(thread::id x, thread::id y) noexcept; // C++20
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template<class charT, class traits>
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& out, thread::id id);
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template<class charT>
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struct formatter<thread::id, charT>;
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namespace this_thread
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{
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thread::id get_id() noexcept;
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void yield() noexcept;
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template <class Clock, class Duration>
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void sleep_until(const chrono::time_point<Clock, Duration>& abs_time);
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template <class Rep, class Period>
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void sleep_for(const chrono::duration<Rep, Period>& rel_time);
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} // this_thread
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} // std
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*/
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#include <__config>
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#ifdef _LIBCPP_HAS_NO_THREADS
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# error "<thread> is not supported since libc++ has been configured without support for threads."
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#endif
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#include <__assert> // all public C++ headers provide the assertion handler
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#include <__availability>
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#include <__thread/formatter.h>
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#include <__thread/jthread.h>
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#include <__thread/this_thread.h>
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#include <__thread/thread.h>
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#include <__threading_support>
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#include <version>
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// standard-mandated includes
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// [thread.syn]
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#include <compare>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES)
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# include <cstddef>
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# include <ctime>
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# include <iosfwd>
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# include <ratio>
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#endif
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#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 17
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# include <chrono>
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#endif
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#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
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# include <cstring>
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# include <functional>
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# include <new>
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# include <system_error>
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# include <type_traits>
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#endif
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#endif // _LIBCPP_THREAD
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