void SDL_Delay(Uint32 ms) { Uint32 now, then, elapsed; #if !SDL_THREADS_DISABLED int is_event_thread; if (riscos_using_threads) { is_event_thread = 0; if (SDL_EventThreadID()) { if (SDL_EventThreadID() == SDL_ThreadID()) is_event_thread = 1; } else if (SDL_ThreadID() == riscos_main_thread) is_event_thread = 1; } else is_event_thread = 1; #endif /*TODO: Next version of Unixlib may allow us to use usleep here */ /* for non event threads */ /* Set the timeout interval - Linux only needs to do this once */ then = SDL_GetTicks(); do { /* Do background tasks required while sleeping as we are not multithreaded */ #if SDL_THREADS_DISABLED RISCOS_BackgroundTasks(); #else /* For threaded build only run background tasks in event thread */ if (is_event_thread) RISCOS_BackgroundTasks(); #endif /* Calculate the time interval left (in case of interrupt) */ now = SDL_GetTicks(); elapsed = (now - then); then = now; if (elapsed >= ms) { break; } ms -= elapsed; #if !SDL_THREADS_DISABLED /* Need to yield to let other threads have a go */ if (riscos_using_threads) pthread_yield(); #endif } while (1); }
static int NX_ToggleFullScreen (_THIS, int on) { SDL_Rect rect ; Uint32 event_thread ; Dprintf ("enter NX_ToggleFullScreen\n") ; // Don't switch if we don't own the window if (SDL_windowid) return 0 ; // Don't lock if we are the event thread event_thread = SDL_EventThreadID () ; if (event_thread && (SDL_ThreadID () == event_thread)) { event_thread = 0 ; } if (event_thread) { SDL_Lock_EventThread() ; } if (on) { NX_EnterFullScreen (this) ; } else { this -> screen -> flags &= ~ SDL_FULLSCREEN ; NX_LeaveFullScreen (this) ; } rect.x = rect.y = 0 ; rect.w = this -> screen -> w, rect.h = this -> screen -> h ; NX_NormalUpdate (this, 1, & rect) ; if (event_thread) { SDL_Unlock_EventThread () ; } Dprintf ("leave NX_ToggleFullScreen\n") ; return 1 ; }