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edit//Qwen3-TTS-test//.venv//Lib//site-packages//torch//multiprocessing//_atfork.py

@@ -0,0 +1,35 @@
+# mypy: allow-untyped-defs
+import sys
+
+
+__all__ = ["register_after_fork"]
+
+if sys.platform == "win32":
+    import multiprocessing.util as _util
+
+    def _register(func):
+        def wrapper(arg):
+            func()
+
+        _util.register_after_fork(_register, wrapper)
+
+else:
+    import os
+
+    def _register(func):
+        os.register_at_fork(after_in_child=func)
+
+
+def register_after_fork(func):
+    """Register a callable to be executed in the child process after a fork.
+
+    Note:
+        In python < 3.7 this will only work with processes created using the
+        ``multiprocessing`` module. In python >= 3.7 it also works with
+        ``os.fork()``.
+
+    Args:
+        func (function): Function taking no arguments to be called in the child after fork
+
+    """
+    _register(func)