Davide Libenzi wrote:
>>Nonsense. If you wish to make such a claim, you need to provide an
>>example of a situation in which it won't work.
>>
>>
>
>Your welcome. This is your code :
>
>for (;;) {
> fd = event_wait(...);
> while (do_io(fd) != EAGAIN);
>}
>
>If the I/O space is not exhausted when you call event_wait(...); you'll
>never receive the event because you'll be waiting a 0->1 transaction
>without bringing the signal to 0 ( I/O space exhausted ).
>
My code above does exhaust the I/O space.
> That one is a
>typical use of poll() - select() - /dev/poll and you showed pretty clearly
>that you do not seem to understand edge triggered event APIs. If you code
>your I/O function like :
>
>int my_io(...) {
>
> if (event_wait(...))
> do_io(...);
>
>}
>
This is not how my example is coded.
while (do_io(...) != EAGAIN);
is not equivalent to:
do_io(...);
The former is guaranteed to exhaust the I/O space, the latter is not.
You're spouting nonsense.
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This archive was generated by hypermail 2b29 : Wed Oct 23 2002 - 22:00:36 EST