libqmi: poller: wait 0 instead of forever

Don't wait forever for epoll if no events are available -- we should only
be epolling if something's already happened.

BUG=None
TEST=qmidev_process still works

Change-Id: I1253ba3524d5669baefb0a05f2c4af471111cbbc
1 file changed
tree: 43a403b64f6fcbe357d8a5d250c80e7635e0d236
  1. LICENSE
  2. Makefile
  3. README
  4. include/
  5. src/