The reputation of Bill Pugh is quite high - enough so that I would be
inclined to take his statements on this subject as beyond challenge.
Upon careful reading of the link mentioned in this thread, I came across
the following:
It will work for 32-bit primitive values
Although the double-checked locking idiom cannot be used for references
to objects, it can work for 32-bit primitive values (e.g., int's or
float's). Note that it does not work for long's or double's, since
unsynchronized reads/writes of 64-bit primitives are not guaranteed to
be atomic.
Based on this, it would seem to me that the code snippet staring with "if
(_jspx_inited == false) {" is safe. Worst case, change _jspx_inited from
boolean to int.
- Sam Ruby
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