How to get out from waitForReadyRead(Timeout) blocking?

[qmonkey]

I have a client thread is blocked on QTcpSocket's waitForReadyRead(Timeout), other than receiving a message from server or reducing timeout length, how do I get out of the blocked state gracefully(basicly get out of the client waiting loop)?

Thanks in advance.

[ars]

Maybe you can use QIODevice::readyRead() signal instead of waitForReadyRead().

[qmonkey]

That's one option, but it requires a new design. I'm looking for a quick solution, if there is one

Thanks for the reply!

[ars]

What about (very quick and dirty)

bool dataAvailable = false;
QTime t;
t.start();
 
do
{
     dataAvailable = waitForReadyRead(smallTimeout);
     QApplication::processEvents();
}
while(!dataAvailable && (t.elapsed() < Timeout));
 
if(dataAvailable)
{
     // process your data
}
else
{
    // process timeout
}

bool dataAvailable = false;
QTime t;
t.start();

do
{
     dataAvailable = waitForReadyRead(smallTimeout);
     QApplication::processEvents();
}
while(!dataAvailable && (t.elapsed() < Timeout));

if(dataAvailable)
{
     // process your data
}
else
{
    // process timeout
}

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Not a really nice way, but could work if you do not require precise timeout conditions.

[qmonkey]

ars,

That's not what I wanted. I want it stays blocked waiting for data, not timed out by itself, but have an option to get out at anytime.

[drave]

Its either waiting or it aint, you cant have it both ways. Close the socket your waiting on.

cheers

[qmonkey]

Look like non-blocking is the only way out. Thank you guys for the reply!