initial commit

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

core/threads.py

@@ -0,0 +1,22 @@
+import asyncio
+import functools
+from concurrent.futures import ThreadPoolExecutor
+_pool = ThreadPoolExecutor(max_workers=32, thread_name_prefix="dfu")
+async def run_blocking(func, /, *args, **kwargs):
+    loop = asyncio.get_running_loop()
+    return await loop.run_in_executor(_pool, functools.partial(func, *args, **kwargs))
+def threaded(func):
+    @functools.wraps(func)
+    async def wrapper(*args, **kwargs):
+        return await run_blocking(func, *args, **kwargs)
+    return wrapper
+def spawn(coro, *, name=None):
+    task = asyncio.create_task(coro, name=name)
+    def _done(t):
+        if not t.cancelled() and t.exception():
+            print(f"task {name or ''} error: {t.exception()!r}")
+
+    task.add_done_callback(_done)
+    return task
+def shutdown():
+    _pool.shutdown(wait=False, cancel_futures=True)