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- About ZapTCP
-
- ZapTCP is a (very) small System Extension (INIT), which should be useful
- to people writing applications which use Apple's MacTCP.
-
- As anyone who has written MacTCP programs knows, it is a long process
- involving the crashing and rebooting of the Mac about 20-30 times an hour
- (at least that's how it turns out for me). To help my finger heal up (it
- was getting tired of hitting the reset key), I wrote ZapTCP.
-
- The INIT works by installing a system-wide patch which takes control when
- an application quits (or is quit by a forced MacsBug "es"). When it runs,
- the code scans through all of the currently open MacTCP streams and
- connections, looking for those that have their stream buffers allocated
- within the heap that is about to disappear. When ZapTCP finds a stream
- whose buffers are about to become no-man's land, it forces the connection
- closed and releases the stream, posting a notification to the user.
-
- Since ZapTCP opens the MacTCP driver whenever an application quits, please
- don't run it if you don't have MacTCP or don't have MacTCP configured
- properly. Doing so will almost certainly result in nasty crashes.
-
- -Steve Falkenburg
- MacDTS
-