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Ian Jackson
108be15853
This will allow us to map and then unlink the file and therefore delete the process on process exit or explicit unmap. Using the mmaped versions of these files required rewriting build_pv to use the xc_dom builder functionality directly rather than through the xc_linux_build "compatibility layer". (The status of the xc_linux_build interface as a compatibility layer seems a bit dubious since all existing callers use it but if anything is going to replace it then libxl seems like the likely candidate). I'm not thrilled with the definition of the maps lifecycle. This could be solved by adding a helper function to explicitly free the toplevel structure. Signed-off-by: Ian Campbell <ian.campbell@citrix.com>