Paul wrote: >> Don't use TTimer in any worker thread since it is NOT thread-safe! > > Why is it used in HttpCli then ? > see THttpCli.SendRequest
That's true, I would not define UseBandwidthControl in multithreaded applications until a thread-safe timer becomes available. -- Arno Garrels [TeamICS] http://www.overbyte.be/eng/overbyte/teamics.html > Paul > > > > ----- Original Message ----- > From: "Arno Garrels" <[EMAIL PROTECTED]> > To: "ICS support mailing" <twsocket@elists.org> > Sent: Wednesday, March 21, 2007 8:32 AM > Subject: Re: [twsocket] Architectural question II > > >> Markus Humm wrote: >>> Hello, >>> >>> regarding my question from last weekend only a part was answered so >>> far. The thing is now: if several TTimers get fired at the same time >>> and all of them want to write into a shared TStringList-Type buffer >>> (okay, it's in a wrapper class), how to make sure only one at a time >>> gets acces and doesn't mess up the thing? >> >> I'm not sure what you mean. >> >> Multiple timers created in the same thread cannot fire at the same >> time. However if they call a non-blocking handler routine >> it may be necessary to serialize execution of the handler, this >> cannot be achieved by any thread synchronization method. >> >> Note: >> Don't use TTimer in any worker thread since it is NOT thread-safe! >> It calls Classes.AllocateHwnd() and Classes.DeallocateHwnd(), both >> write to a global, unprotected variable. >> >> Similar applies to ICS v5, NOFORMS must be defined in order >> to force ICS v5 to use it's own thread-safe window allocation/ >> deallocation procedures. >> >> -- >> Arno Garrels [TeamICS] >> http://www.overbyte.be/eng/overbyte/teamics.html >> >>> because the critical >>> section will only guard this against the thread which reads out the >>> entries and afterwards deletes them. >>> >>> So what to do here? >>> >>> Greetings >>> >>> Markus >> -- >> To unsubscribe or change your settings for TWSocket mailing list >> please goto http://www.elists.org/mailman/listinfo/twsocket >> Visit our website at http://www.overbyte.be -- To unsubscribe or change your settings for TWSocket mailing list please goto http://www.elists.org/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be
