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Date: Thu, 14 May 2009 05:33:26 +0100
Message-ID: <416096c60905132133v4a593b9aye48c3d72b364bbc0@mail.gmail.com>
Subject: Re: Question of the necessity of rebaseall
From: Andy Koppe <andy DOT koppe AT gmail DOT com>
To: cygwin AT cygwin DOT com
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> Remember, the semantics of fork is that BOTH processes (the parent and
> child) must see the SAME memory, and that includes all shared libraries
> being mapped at the SAME location. =C2=A0But since Windows doesn't provid=
e a
> native fork, the child must remap everything that the parent had, and hope
> that it lands at the same place. =C2=A0Rebasing improves the chance that =
the
> child will remap, because there are fewer dlls to be remapped in an
> arbitrary order.

Shudder. I wonder whether MS's own POSIX layer, the snappily named
"Services for Unix Applications", has to go through the same
contortions or whether there isn't some hidden fork support somewhere.

Andy

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