Re: Ada GC (was about Java VM)

Here are some interesting remarks from comp.lang.java on this subject,
from Arthur van Hoff, one of the main Java implementers. The
discussion was about why real OS threads are used on Windows NT and 95
and not on Solaris. Some other discussion before and after is
deleted.


question:


> I was surprised to find out that Java is not really threaded. The
> virtual machine seems to be doing its own scheduling but there is no
> OS level threading.


AVH answers:


> True. It is very hard to use OS level threads. However, we are
> working on a Solaris threads port. The problem is garbage
> collection, you have to be able to reliably suspend all threads and
> flush their state out of CPUs in order to do gc. This is hard on
> Solaris threads.


--

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