Hi R?mi, >> 1) it would consume 100% of the CPU time > No, it won't. poll() will *not* return immediately. Oh you're right. For some reason I misunderstood that poll(..., -1) meant "no wait, return immediately" but actually it was "no timeout, wait forever". Thanks, Hajime R?mi Denis-Courmont wrote: > Le vendredi 13 septembre 2013 23:02:15 Hajime Fujita a ?crit : >> However, I don't it's a good idea to do a busy loop here, because >> 1) it would consume 100% of the CPU time > > No, it won't. poll() will *not* return immediately. > >> 2) it would block the message loop (I'm not sure about the real >> implication of this, though) > > But yes. >
