Pelle Johansson <morth@xxxxxxxxx> writes: > Basically, I have an epoll loop that executes the following code when > I receive data from postgresql (greatly simplified). > ... > The problem is that after two iterations in the loop PQisBusy() > returns true, making me exit to the event loop, but no more data is > received, so the function will not be called again. Shouldn't happen. Can you provide a complete test case? (Are you sure the problem isn't just the SELECT taking a long time?) > Is it safe to move the call to PQisBusy() outside the loop, Not if the idea is to not block in PQgetResult. regards, tom lane