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sdl: fix exiting while waiting for a render to be presented #876

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merged 1 commit into from
Nov 26, 2024
Merged

sdl: fix exiting while waiting for a render to be presented #876

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23 changes: 13 additions & 10 deletions 32blit-sdl/System.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -445,16 +445,19 @@ void System::set_button(int button, bool state) {
}

void System::stop() {
int returnValue;
running = false;
int returnValue;
running = false;

if(SDL_SemWaitTimeout(s_loop_ended, 500)) {
std::cerr << "User code appears to have frozen. Detaching thread." << std::endl;
SDL_DetachThread(t_system_loop);
} else {
SDL_WaitThread(t_system_loop, &returnValue);
}
// make sure the update thread is not waiting for a render to complete
SDL_SemPost(s_loop_redraw);

if(SDL_SemWaitTimeout(s_loop_ended, 500)) {
std::cerr << "User code appears to have frozen. Detaching thread." << std::endl;
SDL_DetachThread(t_system_loop);
} else {
SDL_WaitThread(t_system_loop, &returnValue);
}

SDL_SemPost(s_timer_stop);
SDL_WaitThread(t_system_timer, &returnValue);
SDL_SemPost(s_timer_stop);
SDL_WaitThread(t_system_timer, &returnValue);
}
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