[issue37696] FileIO.read() on a closed TTY throws an exception prematurely

[David Wilson]

David Wilson <dw at botanicus.net> added the comment:

If we treat different errnos specially, the list of 'okay to silently fail' errors seems quite succinct. In another project I treat EIO, EPIPE and ECONNRESET as EOF, and raise all others -- https://github.com/dw/mitogen/blob/c6de090f083a58344e91ab97847bf7ae3feb9134/mitogen/core.py#L501-L532

But even in this case, if readall() returns the partial buffer given a 'good' errno, does it still discard the partial buffer given a 'bad' one? That still doesn't feel right

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<https://bugs.python.org/issue37696>
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