68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program 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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*
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* This program 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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*
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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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#ifndef LIBRETRO_THREADS_H
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#define LIBRETRO_THREADS_H
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/* ScummVM doesn't have a top-level main loop that we can use, so instead we run it in its own thread
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* and switch between it and the main thread. Calling these function will block the current thread
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* and unblock the other. Each function should be called from the other thread.
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*/
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void retro_switch_to_emu_thread(void);
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void retro_switch_to_main_thread(void);
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/* Initialize the emulation thread and any related resources.
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*
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* This function should be called from the main thread.
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*/
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bool retro_init_emu_thread(void);
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/* Destroy the emulation thread and any related resources. Only call this after the emulation thread
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* has finished (or canceled) and joined.
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*
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* This function should be called from the main thread.
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*/
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void retro_deinit_emu_thread(void);
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/* Returns true if the emulation thread was initialized successfully.
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*
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* This function should be called from the main thread.
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*/
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bool retro_emu_thread_initialized(void);
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/* Returns true if the emulation thread has exited naturally.
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*
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* This function can be called from either the main or the emulation thread.
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*/
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bool retro_emu_thread_exited(void);
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/* Returns scummvm_main return code or -1 if not available */
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int retro_get_scummvm_res(void);
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/* Returns true if the emulation thread was started successfully.
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*
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* This function should be called from the main thread.
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*/
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bool retro_emu_thread_started(void);
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#endif
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