Dave Thomas wrote:
> 
> On Nov 11, 2008, at 6:54 PM, Charles Oliver Nutter wrote:
> 
>> * require must only initiate loading once
>> * we can't guarantee loading has completed without risking deadlocks
>> * callers of require expect loading to be completed by the time it 
>> returns
>>
>> Then:
>>
>> * it is impossible to provide all basic require guarantees to multiple 
>> threads requiring the same file at the same time
> 
> It would seem that many of the global $ variables would need protecting 
> from concurrent access from multiple threads. So, wouldn't it solve the 
> problem simply to have a mutex (or set of mutexes) to controll access to 
> these, and then claim the mutex associated with $" while doing the require?
> 
> 
> Dave
> 
> 

Charlie commented on mutex at [ruby-core:19732]
(to save him looking it up) :)


daz