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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> |
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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 -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
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