Access to a Zip archive from multiple threads,
- Re: Access to a Zip archive from multiple threads, Thomas Klausner (2017/02/17 14:38:32)
Dear LibZip community, I am trying to write code that handles zip archives with lots of entries, in the range of 100k to 1 million. It's read-only access. So far, it works pretty well. Now, the big issue is, I would like to have parallel access from multiple threads to the same archive. Obviously, zip_fopen cannot handle this, unless I implement waiting locks. One possible solution would be to open several instances with zip_open, but that solution obviously costs too much time and resources: A few seconds for each zip_open and >60 MB heap space for the directory. The other one I perceive is to get a new handle to the archive with fopen(), and somehow ask LibZip for the stream offset and call the necessary decompression functions by hand. Apparently, such operations are not really desirable, as I see *struct zip_dirent* and others are completely private. Is there a possible workaround that doesn't rely too much on private implementation details, or is there any feature planned that does facilitate this sort of operation ? Thanks in advance, Markus
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