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- Newsgroups: comp.sys.mac.programmer
- Path: sparky!uunet!cs.utexas.edu!tamsun.tamu.edu!inetg1!nuntius
- From: John Champion <dedjhc@arco.com>
- Subject: Patching the _Launch Trap
- Message-ID: <1992Sep8.024049.20121@Arco.COM>
- Sender: news@Arco.COM
- Organization: Arco Alaska Inc.
- X-Useragent: Nuntius v1.1
- Date: Tue, 8 Sep 1992 02:40:49 GMT
- Lines: 19
-
- Hi all,
- I'm trying to install a fairly unobtrusive head patch into the _Launch
- trap. The problem is that no matter what I do, my patch always gets
- re-patched (presumeably by the system). This unknown code does not pass
- control down the line like a normal patch would, so my code never gets
- called.
-
- I've tried patching at various times during startup to no avail. If I
- patch at init-launching time, my code gets called once (when Finder is
- launched) and nevermore after that point. If I patch after startup has
- completed, then my patch gets re-patched before my code gets called even
- once!
-
- I'm using system 7, and I have no problem requiring it for my
- application. Does anyone have any ideas for getting around this
- patch-happy little gremlin? Thanks in advance for any advice.
-
-
- -John Champion dedjhc@arco.com
-