[Interest] QTcpServer stop accepting connections

[Etienne Sandré-Chardonnal]

Hi,

Did you see this in the doc?:
*Note:* The returned QTcpSocket object cannot be used from another thread.
If you want to use an incoming connection from another thread, you need to
override incomingConnection().

(From Qt 4.8.1)


2013/9/5 Benjamin Zeller <zeller.benjamin at web.de>

> Hello again,
>
> ok after digging some more its clear that the E_AGAIN or E_WOULDBLOCK
> error means that there are no connections available to open. That makes
> no sense because i opened 20 connections in a row, but only the
> first 6 are handled and then the following 6 and so on.
>
> What could possibly delay the notification of new incoming connecions
> until another one is handled?
>
> On 05.09.2013 13:04, Benjamin Zeller wrote:
> > Hello,
> >
> > not sure if i just ran into a bug or if i do something wrong:
> >
> > Basically i have a QTcpServer accepting connections, after a connection
> > comes in a QTcpSocket is created and pushed to a workerthread to handle
> > it (moveToThread).
> >
> > But after 6 connections the QTcpServer stops accepting connections
> > (seems to be releated to receiving a EAGAIN error) until the first 6
> > are served (but i openend 20 connections at once from my testcode).
> >
> > Then it continues with the next 6 and i'm pretty sure the mainloop is
> > not blocked, because when i pause with the debugger its always waiting
> > inside exec().
> >
> > This happens on Linux, i did not test yet with other operating systems.
> >
> > Anyone ran into something similar?
> >
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> >
>
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