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Re: fast/native fork?




Am 21.01.2018 um 11:56 schrieb Marco Atzeri:
On 21/01/2018 16:32, Jay K wrote:

I have some desire to discuss fork.
I know it is an old and difficult topic.

I found this:

  "Cygwin fork and RtlCloneUserProcess"
  https://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/afdf1b68-1f3e-47f5-94cf-51e397afe073/cygwin-fork-and-rtlcloneuserprocess?forum=windowsgeneraldevelopmentissues

NT has had fork since v1.
The Posix subsystem used it.

If you look at the several Corinna's tentatives of having any info
on the Microsoft forum the problem is the lack of official documentation
of the details.

Without details no solution can be implemented that is guaranteed
to work on all existing and hopefully future version of Windows.

Cygwin can only use official external API and not hidden internal one.
There was this mail from Microsoft, offering support in case Windows 10 would raise console problems with cygwin:
https://cygwin.com/ml/cygwin/2015-04/msg00623.html
While this was particularly about the console, maybe this offer could be used for a request to provide official documentation of that system call, so it could then be used?
Thomas

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