| /* | |
| Stockfish, a UCI chess playing engine derived from Glaurung 2.1 | |
| Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file) | |
| Stockfish is free software: you can redistribute it and/or modify | |
| it under the terms of the GNU General Public License as published by | |
| the Free Software Foundation, either version 3 of the License, or | |
| (at your option) any later version. | |
| Stockfish is distributed in the hope that it will be useful, | |
| but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| GNU General Public License for more details. | |
| You should have received a copy of the GNU General Public License | |
| along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| */ | |
| /// On OSX threads other than the main thread are created with a reduced stack | |
| /// size of 512KB by default, this is too low for deep searches, which require | |
| /// somewhat more than 1MB stack, so adjust it to TH_STACK_SIZE. | |
| /// The implementation calls pthread_create() with the stack size parameter | |
| /// equal to the linux 8MB default, on platforms that support it. | |
| namespace Stockfish { | |
| static const size_t TH_STACK_SIZE = 8 * 1024 * 1024; | |
| template <class T, class P = std::pair<T*, void(T::*)()>> | |
| void* start_routine(void* ptr) | |
| { | |
| P* p = reinterpret_cast<P*>(ptr); | |
| (p->first->*(p->second))(); // Call member function pointer | |
| delete p; | |
| return NULL; | |
| } | |
| class NativeThread { | |
| pthread_t thread; | |
| public: | |
| template<class T, class P = std::pair<T*, void(T::*)()>> | |
| explicit NativeThread(void(T::*fun)(), T* obj) { | |
| pthread_attr_t attr_storage, *attr = &attr_storage; | |
| pthread_attr_init(attr); | |
| pthread_attr_setstacksize(attr, TH_STACK_SIZE); | |
| pthread_create(&thread, attr, start_routine<T>, new P(obj, fun)); | |
| } | |
| void join() { pthread_join(thread, NULL); } | |
| }; | |
| } // namespace Stockfish | |
| namespace Stockfish { | |
| typedef std::thread NativeThread; | |
| } // namespace Stockfish | |