--- Comment #6 from Andreas L. Delmelle <adelme...@apache.org> 2008-12-22
16:03:38 PST ---
Created an attachment (id=23047)
Another attempt, slightly better IIC, but still not bullet-proof.
If getFontInfos() returns an outdated entry, and another thread has already
started the removal/readdition, then the thread will wait until it is notified
by either addFont() or registerFailedFont().
- after the notification, we're still not sure that it stems from the same font
we're waiting for... (any addFont() or registerFailedFont() will trigger
- if the removal/readdition has begun, and one thread is busy reloading the
font, getFontInfos() will still return null (parallel loading still remains
Remaining question (not immediately clear to me):
Is it conceivable that one thread removes the outdated entry, yet neither
addFont() nor registerFailedFont() is called later? It didn't seem so, but
should that be the case, the wait() method should probably be passed a
reasonable maximum duration to avoid eternal sleep.
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