dropping `asyncio.open_unix_socket`'s writer will drop the connection.

[aspizu]

Bug report

Bug description:

async def socket2():
   reader, _ = await asyncio.open_unix_connection(HYPRLAND_SOCKET2_ADDRESS)
   del _  # <-- This causes issues
   while data := await reader.readuntil(b"\n"):
      yield data

In this code, dropping the writer makes the reader malfunction.

CPython versions tested on:

3.11

Operating systems tested on:

Linux

[duaneg]

Deleting the writer will call close() on it, which closes the socket, which I guess is the "malfunction". You can't close the writer until you are done with the connection.