Steve was asking actualy so i dont know what his intentions are, i was just tossing in my 2 cents (:
----- Original Message ----- From: "Robert Shubert" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, March 01, 2004 10:25 AM Subject: RE: Witango-Talk: Thread Safe Class file > Alan, > > If you mean to make a TCF that is thread safe, it depends on why you > need it thread safe. Normally just using the method scope for all action > internal to the TCF is enough, however if you need to deal with external > dependencies, ie writing to two different log files in tandem, then you > need to use a higher scope, such as instance, or domain to record your > busy flag. Since I have more than one server, I can only depend on my > database as a single point of reference, and therefore set and release a > flag in my database to solve certain overrun problems. Make sure to > alert yourself or log when contention occurs since it can become a > problem can cause congestion if it goes wrong. > > Robert > > -----Original Message----- > From: Alan Wolfe [mailto:[EMAIL PROTECTED] > Sent: Monday, March 01, 2004 12:42 PM > To: [EMAIL PROTECTED] > Subject: Re: Witango-Talk: Thread Safe Class file > > hey Bill, correct me if im wrong but wouldnt this work too? I just like > this method because it waits until the other thread is done, so you dont > have to have code to recheck if it's busy. > > while (user$active != 0) > { > (doing nothing...) > } > > user$active = 1; > > do the stuff > > user$active = 0; > > ----- Original Message ----- > From: "Bill Conlon" <[EMAIL PROTECTED]> > To: "Witango-Talk" <[EMAIL PROTECTED]> > Sent: Monday, March 01, 2004 9:11 AM > Subject: Re: Witango-Talk: Thread Safe Class file > > > > Here's pseudo code to handle critical sections: > > > > if (user$active>0) > > error return, "sorry, you have a request pending, try again" > > else > > user$active=user$active+1 > > if (user$active=1) > > process stuff > > else > > error return: "sorry a thread inserted itself between the first > > error check and the processing check" > > endif > > user$active=user$active-1 > > good return > > > > > > > > >Where would I look to find out how to create a "thread safe" class > file? > > > > > >Steve Fogelson > > >Internet Commerce Solutions > > > >_______________________________________________________________________ > _ > > >TO UNSUBSCRIBE: Go to http://www.witango.com/developer/maillist.taf > > > > > > > > > Bill Conlon > > > > To the Point > > 345 California Avenue Suite 2 > > Palo Alto, CA 94306 > > > > office: 650.327.2175 > > fax: 650.329.8335 > > mobile: 650.906.9929 > > e-mail: mailto:[EMAIL PROTECTED] > > web: http://www.tothept.com > > > > > > > ________________________________________________________________________ > > TO UNSUBSCRIBE: Go to http://www.witango.com/developer/maillist.taf > > ________________________________________________________________________ > TO UNSUBSCRIBE: Go to http://www.witango.com/developer/maillist.taf > > ________________________________________________________________________ > TO UNSUBSCRIBE: Go to http://www.witango.com/developer/maillist.taf ________________________________________________________________________ TO UNSUBSCRIBE: Go to http://www.witango.com/developer/maillist.taf
