[Qt-interest] Simple Signal Slot Failing

[Frank Hemer]

On Wednesday 11 November 2009 17:11:35 Raja Rokkam wrote:
> Hi All,
>
>         I have an UI -> a storage engine ( interface for reading/writing on
> to disk) -> server ( which launches a process).
>
> So, when I launch the UI, it loads certain config files by sending a signal
> to "Storage Engine" which will call the server and another process gets
> launched.
>
>
> This other process writes the config file. It is created as a
> QProcess::startDetached in Mac and ShellExecute is used for Windows.
>
> Now, after writing the config file, server sends a signal back to storage
> engine which in turn signals the UI to read the config file and show it to
> user.
>
>
> This whole setup works fine in OSX but in windows strangely, my logs show
> UI slot for reading is called thrice when infact only once it is being
> called in OSX.  I am not calling this SLOT anywhere else in the code. and
> more strangely the SIGNAL from server to storage engine is being emitted
> only once as seen from the slots.
>
> Can anyone provide me possible pointers to debug this issue ?

This could be the cause when you have connected the (same) slot more than 
once. Maybe just by running the line of code where 'connect' is placed twice.

Frank