One other example is an unlock that requires three steps - update state, update owner and unpark successor.
thanks, Karen > On Nov 19, 2015, at 9:25 PM, David Holmes <david.hol...@oracle.com> wrote: > > On 20/11/2015 4:10 AM, Doug Lea wrote: >> On 11/16/2015 08:00 PM, David Holmes wrote: >>>> I've tried that :-) The amount of code being executed with >>>> the ReservedStackAccess privilege tends to increase very >>>> quickly and I was concerned about keeping the size of the >>>> reserved area small. >>> >>> How much space does each level of calling need? I know that is hard to >>> answer >>> but are we talking a few bytes, few kb, many kb? >>> >> >> Relatedly, could someone spell out in more detail the >> worst-case behavior of StackOverflowError? Knowing this >> might be helpful in some cases in which we might be able to >> at least preserve minimal sanity without needing to reserve. > > Not sure what you are asking for Doug - worst-case is that an action that is > critical to complete does not complete. Best example is lock/unlock which > have to both update AQS-state and update owner. If only one is done the lock > internal state is inconsistent and the lock ceases to function. > > David > >> -Doug >> >> >>
