Re: The SampleCMPlugin example
Re: The SampleCMPlugin example
- Subject: Re: The SampleCMPlugin example
- From: Michael Gersten <email@hidden>
- Date: Fri, 08 Mar 2002 12:18:13 -0800
well, there is something to be said for Java after all :-) (automatic
garbage collection of unused classes)
With that said, what about a java-cocoa plug-in for a carbon-host app?
Rosyna wrote:
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This is an extremely annoying "feature" of Obj-c. Means that no
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application can do runtime updating of plugins without keeping the
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old plugins resident in memory. (and probably on disk)
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Ack, at 3/4/02, Dietmar Planitzer said:
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>I think this 'of course' should actually be a 'it depends'.
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>Namely, it depends on whether the (Carbon) host application is ever going to
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>unload your ObjC based plug-in. If it does so, then your plug-in will blow
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>up the app because the ObjC runtime system doesn't support the unloading of
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>code and worse it actively installs a dyld callback which gets called as
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>soon as someone tries to unload one of your ObjC code segments. This
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>callback will then happily kill the host application. Note that it doesn't
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>matter whether you use the AppKit or Foundation kit, just a small class
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>derived from good old Object will suffice to get users very angry :)
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>This isn't an issue for Cocoa host applications because NSBundle doesn't
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>even offer API for unloading.
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--
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Sincerely,
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Rosyna Keller
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Technical Support/Holy Knight/Always needs a hug
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>
Unsanity: Unsane Tools for Insane People
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---
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>
Please include any previous correspondence in replies, it helps me
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remember what you're talking about. Thanks.
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