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Re: Cygwin startup and root directory.
- From: Daniel Santos <daniel dot santos at pobox dot com>
- To: cygwin at cygwin dot com
- Date: Wed, 11 Dec 2019 22:44:33 -0600
- Subject: Re: Cygwin startup and root directory.
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- References: <c843e6cd-7ce3-1b44-0d28-73f043897f72@pobox.com> <20191209102223.GG3499@calimero.vinschen.de>
Thank you Corinna! And sorry for the delayed response.
Maybe this is something I can put on my TODO "wish list" -- going
through the Cygwin docs, learning the internals a bit better and maybe
adding to them. It's always nice to have a nice doc explaining the
high-level architecture and then other docs to "drill down" to the
details on certain areas. I've always been amazed by what Cygwin does.
Daniel
On 12/9/19 4:22 AM, Corinna Vinschen wrote:
> On Dec 9 01:12, Daniel Santos wrote:
>> Hello,
>>
>> I see that when you copy Cygwin executables (and dlls) to a random
>> windows machine and run (for example) bash.exe that Cygwin treats the
>> parent directory as the root, assigns it an 8-byte serial number and
>> records it in the user registry. Can somebody point me to where the
>> code is that does this? I presume somewhere under winsup/cygwin?
> winsup/cygwin/cygheap.cc, method init_cygheap::init_installation_root()
>
>> Also, are there pretty docs somewhere that detail the Cygwin internals,
>> architecture, etc? It's making me curious...
> The internals are not overly well documented. There are a few how* txt
> files in winsup/cygwin but they are old and partially outdated. I try
> to write extensive git commit messages and inline comments whenever I
> change stuff and also try to convince other contributors to do that,
> too.
>
>
> Corinna
>
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