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Date: Sun, 13 Dec 2009 21:36:45 +0000
Message-ID: <416096c60912131336i7ebf44a6g20661ad2044f3322@mail.gmail.com>
Subject: Re: overwriting an in-use executable
From: Andy Koppe <andy DOT koppe AT gmail DOT com>
To: cygwin AT cygwin DOT com
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2009/12/13 Christian Franke:
> 'cp' does not unlink() before overwriting an existing file, it tries to
> overwrite the data in place. This also fails on *nix, typically with "Text
> file busy".
> 'mv' only modifies the link between file name in directory and file data.
> The OS can keep the old data (inode) until the exe terminates.

That makes plenty of sense.

Thanks,
Andy

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