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libretroadmin
9f13f0f051
The core no longer sleeps to pace itself: the frontend runs retro_run at its own rate, so the frame throttle, the idle-vblank delay and the real clock sync event (and its core option) are gone, and a stepping CPU hands straight back instead of waiting 2 ms. Waits that polled now park on a lock-free eventcount through Common/Thread/ParkingLot and are woken by whoever changes the state: a paused GL emu thread, which also queues a marker behind its last frame so pausing runs the render queue up to it instead of polling; async I/O results; the software renderer when its queue is full; Vulkan pipeline compiles; and debugger requests once stepping ends. Boot joins the loader thread, cache shutdown joins its read-ahead thread, and the slow-I/O simulation is removed. The path browser, the HTTP and WebSocket servers, the Windows console and the game info cache are left out of the core build. libretro/test gains lrgltest, which drives the GL backend on a surfaceless EGL context through every path that pauses or stops the emu thread; run.sh and the image checks CI job run it on llvmpipe.