Re: Adding checkpointing API to Linux kernel
Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 18 Jan 1999 22:21:25 +0000 (GMT)
> Andy Glew writes about the need for an NT-like (gasp!) API in the
> GNU/Linux that would all trapping of OS system calls without recompiling
> code. (For use in checkpoint migration facilities, which we are
> considering adding to GNU Queue.) Recompilation is necessary to use
> these facilities with commercial apps. The scary thing is it appears to
> be easier in NT than in GNU/Linux (see Andy's comments). Given NT's
You can already do it in Linux. LD_PRELOAD and LD_LIBRARY_PATH allow you
to control and modify linkloading order. If you get a static linked commercial
binary just ask them for the object modules under the LGPL terms the C library
has to rebuild it (or just for a dynamic binary)
Alan
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