Multithreaded QLocalSocket

Thiago Macieira thiago at
Mon Jun 30 15:17:40 BST 2008

Sebastian Trüg wrote:
>On Sunday 29 June 2008 14:19:21 Kevin Krammer wrote:
>> On Sunday 29 June 2008, Sebastian Trüg wrote:
>> > Apparently on Unix QLocalSocket uses QTcpSocket internally. This
>> > results in a big problem when I want to use it in a multithreaded
>> > environment as I cannot move the internal QTcpSocket to the new
>> > thread. Does anyone have an idea on how to solve this issue? On how
>> > to use QLocalSocket in multithreaded systems?
>> On the server or the client side?
>> On the client side you could use one QLocalSocket per thread.
>> On the server side you can use the incomingConnection(quintptr)
>> template method of QLocalServer and create the actual QLocalSocket in
>> the target thread's context. We do this in Akonadi, see
>> kdesupport/akonadi/server/src/akonadi.cpp and
>> kdesupport/akonadi/server/src/akonadiconnection.cpp
>Thanks a lot for the hints. Seems to work. :)

You should also be able to use the nextPendingConnection() method of 
QLocalServer and push it to the thread that will do the work with 

  Thiago Macieira  -  thiago (AT) - thiago (AT)
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