licensing question?

From: Richard Hu (rhu_at_opnet_dot_com)
Date: Tue Jun 21 2005 - 07:39:12 PDT

  • Next message: jcduell_at_lbl_dot_gov: "Re: licensing question?"
    To Whom It May Concern:
    I have a question about the licensing involved in using the Berkeley Labs 
    Checkpoint Restart package (so hopefully you will bear with me if this 
    question becomes convoluted).
    Libcr is covered by LGPL but from reading your paper "The Design and 
    Implementation of Berkeley Lab's Linux Checkpoint/Restart", it seems that 
    in order to checkpoint a program (even when you checkpoint it by linking 
    against libcr - not using cr_run) the checkpoint needs to utilize 
    vmadump.  However, vmadump is protected by GPL so would that automatically 
    cause libcr to be GPL instead of LGPL or is there something else that 
    mitigates that?
    Also, does libcr utilize cr_module at all?  If not, what is the purpose of 
    cr_module and does it affect the licensing for libcr in any way?
    Essentially I'm trying to checkpoint a proprietary program and wondering 
    what the limitations on licensing are so I can determine whether to utilize 
    BLCR.  Any insight or help you can give will be greatly appreciated.
    Thank you very much for your time.
    Thank you,
    Richard Hu

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