Switch to using a global variable to determine if we are already doing a restart when we get a checkpoint signal.  Don't know why resetting the handler didn't work, but it did not on SunOS.
Switch to using a global variable to determine if we are already doing
a restart when we get a checkpoint signal.  Don't know why resetting
the handler didn't work, but it did not on SunOS.

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