23 lines
655 B
Python
23 lines
655 B
Python
# NOTE: win32 support is currently experimental, and not recommended
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# for production use.
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import ctypes
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import ctypes.wintypes
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# See: http://msdn.microsoft.com/en-us/library/ms724935(VS.85).aspx
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SetHandleInformation = ctypes.windll.kernel32.SetHandleInformation # type: ignore
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SetHandleInformation.argtypes = (
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ctypes.wintypes.HANDLE,
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ctypes.wintypes.DWORD,
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ctypes.wintypes.DWORD,
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)
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SetHandleInformation.restype = ctypes.wintypes.BOOL
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HANDLE_FLAG_INHERIT = 0x00000001
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def set_close_exec(fd: int) -> None:
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success = SetHandleInformation(fd, HANDLE_FLAG_INHERIT, 0)
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if not success:
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raise ctypes.WinError() # type: ignore
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