Add user hooks to checkpointing process.  Currently, these are statically linked.  The only use now is for checkpointing PVM processes.  The hook functions are called user_pre_hook() and user_post_hook() and are defined in the PVM library.
Add user hooks to checkpointing process.  Currently, these are statically
linked.  The only use now is for checkpointing PVM processes.  The hook
functions are called user_pre_hook() and user_post_hook() and are defined
in the PVM library.

htcondor/htcondor,bbockelm/condor-network-accounting,neurodebian/htcondor,djw8605/condor,neurodebian/htcondor,bbockelm/condor-network-accounting,htcondor/htcondor,djw8605/condor,djw8605/condor,neurodebian/htcondor,neurodebian/htcondor,neurodebian/htcondor,neurodebian/htcondor,bbockelm/condor-network-accounting,clalancette/condor-dcloud,bbockelm/condor-network-accounting,mambelli/osg-bosco-marco,djw8605/htcondor,djw8605/condor,djw8605/htcondor,zhangzhehust/htcondor,djw8605/htcondor,zhangzhehust/htcondor,djw8605/condor,mambelli/osg-bosco-marco,htcondor/htcondor,zhangzhehust/htcondor,clalancette/condor-dcloud,htcondor/htcondor,zhangzhehust/htcondor,djw8605/condor,zhangzhehust/htcondor,clalancette/condor-dcloud,bbockelm/condor-network-accounting,mambelli/osg-bosco-marco,djw8605/condor,htcondor/htcondor,mambelli/osg-bosco-marco,htcondor/htcondor,zhangzhehust/htcondor,neurodebian/htcondor,mambelli/osg-bosco-marco,clalancette/condor-dcloud,clalancette/condor-dcloud,djw8605/htcondor,mambelli/osg-bosco-marco,bbockelm/condor-network-accounting,djw8605/htcondor,bbockelm/condor-network-accounting,neurodebian/htcondor,neurodebian/htcondor,clalancette/condor-dcloud,djw8605/htcondor,mambelli/osg-bosco-marco,zhangzhehust/htcondor,djw8605/htcondor,djw8605/htcondor,htcondor/htcondor,djw8605/condor,bbockelm/condor-network-accounting,clalancette/condor-dcloud,mambelli/osg-bosco-marco,djw8605/htcondor,zhangzhehust/htcondor,zhangzhehust/htcondor,htcondor/htcondor