Is there an Ocaml eqivalent of begin/end blocking section?
I.e. something that sets the global lock if threads
are enabled (but still compiles if they're not)?

So can write for example:
  begin_trx(); 
  if Hashtbl.mem h k then () else Hashtbl.add h k v;
  end_trx()

and know the table won't get changed by another thread
between the lookup and insertion?

-- 
John Skaller, mailto:skaller@users.sf.net
voice: 061-2-9660-0850, 
snail: PO BOX 401 Glebe NSW 2037 Australia
Checkout the Felix programming language http://felix.sf.net



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