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https://github.com/sockspls/badfish
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fb0e19dc8b
Because exit_threads() references the global object TM, we need to call the function when still inside main(), otherwise, due to undefined global object initialization and destruction we could end up with referencing an already destroyed object. Actually this should not happen because Application singleton is initialized _only_ after all the other globals due to how Application::initialize() is defined, but this is very tricky C++ and not easy to follow, even for me ;-) Also rearranged a bit main() code flow. No functional change. Signed-off-by: Marco Costalba <mcostalba@gmail.com>
78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
/*
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Stockfish, a UCI chess playing engine derived from Glaurung 2.1
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Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
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Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
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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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////
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//// Includes
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////
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#include "bitboard.h"
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#include "direction.h"
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#include "endgame.h"
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#include "evaluate.h"
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#include "material.h"
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#include "mersenne.h"
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#include "misc.h"
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#include "movepick.h"
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#include "position.h"
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#include "search.h"
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#include "thread.h"
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#include "ucioption.h"
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/// Application class is in charge of initializing global resources
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/// at startup and cleanly releases them when program terminates.
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Application::Application() {
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init_mersenne();
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init_direction_table();
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init_bitboards();
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init_uci_options();
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Position::init_zobrist();
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Position::init_piece_square_tables();
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init_eval(1);
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init_bitbases();
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init_search();
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init_threads();
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// Make random number generation less deterministic, for book moves
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for (int i = abs(get_system_time() % 10000); i > 0; i--)
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genrand_int32();
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}
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void Application::initialize() {
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// A static Application object is allocated
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// once only when this function is called.
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static Application singleton;
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}
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void Application::free_resources() {
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// Warning, following functions reference global objects that
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// must be still alive when free_resources() is called.
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exit_threads();
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quit_eval();
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}
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void Application::exit_with_failure() {
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exit(EXIT_FAILURE);
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}
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