Add check for EINTR during example testing; this should help avoid sporadic test failures on travis
Add check for EINTR during example testing; this should help avoid sporadic test failures on travis

acq4/acq4,meganbkratz/acq4,pbmanis/acq4,acq4/acq4,campagnola/acq4,meganbkratz/acq4,campagnola/acq4,meganbkratz/acq4,acq4/acq4,acq4/acq4,campagnola/acq4,meganbkratz/acq4,campagnola/acq4,pmaunz/pyqtgraph,pbmanis/acq4,pbmanis/acq4,pmaunz/pyqtgraph,pbmanis/acq4