Something has been bothering me about this ref counting stuff for
some time. It just seems like the TclJava ref counting does not
work like regular Tcl ref counting, but I could not put my
finger on exactly why.
I was just looking at the C code, and I noticed that "regular"
Tcl ref counts start at 1 while Tcl/Java ref counts start at 0.
(from tclBasic.c)
cmdPtr = (Command *) ckalloc(sizeof(Command));
Tcl_SetHashValue(hPtr, cmdPtr);
cmdPtr->hPtr = hPtr;
cmdPtr->nsPtr = nsPtr;
cmdPtr->refCount = 1;
cmdPtr->cmdEpoch = 0;
(from TclObject.java)
protected TclObject(TclString rep, String s) {
internalRep = rep;
stringRep = s;
refCount = 0;
}
Seems like that might be the cause of some big problems.
I think this was something that was changed in Tcl sometime
after Tcl 8.0.
Mo DeJong
Red Hat Inc
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