QSslSocket: stabilize triggering for write

QSslSocket::writeData() accumulates outgoing data. It might be called
multiple times during the event processing (most likely from the long
loops which serialize the data).

As this function produces a notification event on each call, it's
possible to get a huge number of slot invocations on the next event
loop run, when we are interested in a single flush.

So, this patch protects the code against uncontrolled signal emission
that results in the lesser resource usage.

Change-Id: If7cf5b0e239abf0bd88a0dfaa8c1183cbd49e5ed
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Markus Goetz (Woboq GmbH) <markus@woboq.com>

0 files changed, 0 insertions, 0 deletions