|Subject:||Re: TIdSync in DLL hangs|
|Posted by:||Remy Lebeau \(Indy Team\) (email@example.com)|
|Date:||Thu, 19 Apr 2007|
"Gordon Kästner" <Meta7…@arcor.de> wrote in message
> I've a problem using TIdSync in a DLL - it hangs when the
> host app will free the library.
When is the host freeing the DLL? TIdSync relies on
TThread.Synchronize(), which relies on the main thread message queue.
A hang would suggest that the main queue is no longer running.
> In the finalization block in IdSync.pas TIdNotify.FreeThread is
> called which waits for - I don't know what...
It is waiting for the internal notification thread to terminate, which
it won't be able to if any of the pending notifications are hung on
> Is it not possible at all to use TIdSync in DLLs?
Yes it is, provided that the DLL and Host are built with runtime
packages so that they share a single sync list, and that the Host's
main message queue is running for the entire time that the DLL is
TIdSync in DLL hangs posted by Gordon_Kästner on Thu, 19 Apr 2007