mirror of
https://github.com/sockspls/badfish
synced 2025-04-30 00:33:09 +00:00
856e60d12f
Removes the free function and fixes the formatting for the function call. closes https://github.com/official-stockfish/Stockfish/pull/4995 No functional change
78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/*
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Stockfish, a UCI chess playing engine derived from Glaurung 2.1
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Copyright (C) 2004-2024 The Stockfish developers (see AUTHORS file)
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Stockfish is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Stockfish is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef THREAD_WIN32_OSX_H_INCLUDED
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#define THREAD_WIN32_OSX_H_INCLUDED
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#include <thread>
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// On OSX threads other than the main thread are created with a reduced stack
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// size of 512KB by default, this is too low for deep searches, which require
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// somewhat more than 1MB stack, so adjust it to TH_STACK_SIZE.
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// The implementation calls pthread_create() with the stack size parameter
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// equal to the Linux 8MB default, on platforms that support it.
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#if defined(__APPLE__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(USE_PTHREADS)
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#include <pthread.h>
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#include <functional>
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namespace Stockfish {
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class NativeThread {
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pthread_t thread;
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static constexpr size_t TH_STACK_SIZE = 8 * 1024 * 1024;
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public:
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template<class Function, class... Args>
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explicit NativeThread(Function&& fun, Args&&... args) {
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auto func = new std::function<void()>(
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std::bind(std::forward<Function>(fun), std::forward<Args>(args)...));
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pthread_attr_t attr_storage, *attr = &attr_storage;
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pthread_attr_init(attr);
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pthread_attr_setstacksize(attr, TH_STACK_SIZE);
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auto start_routine = [](void* ptr) -> void* {
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auto f = reinterpret_cast<std::function<void()>*>(ptr);
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// Call the function
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(*f)();
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delete f;
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return nullptr;
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};
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pthread_create(&thread, attr, start_routine, func);
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}
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void join() { pthread_join(thread, nullptr); }
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};
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} // namespace Stockfish
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#else // Default case: use STL classes
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namespace Stockfish {
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using NativeThread = std::thread;
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} // namespace Stockfish
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#endif
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#endif // #ifndef THREAD_WIN32_OSX_H_INCLUDED
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