[Ironruby-core] Code Review: Thread.critical

Jim Deville jdeville at microsoft.com
Mon Jan 5 13:57:55 EST 2009

I'd rather see the functionality in irtest.bat in IronRuby's run.bat. That way it runs with run 0. 

The specs will probably need to be cleaned up to meet RubySpec style guidelines, and to get Brian to approve them. Go ahead and commit them, and I can clean them up, or we can work on them together later.

For future reference, style guidelines are here: http://rubyspec.org/wiki/rubyspec/Style_Guide


-----Original Message-----
From: Shri Borde 
Sent: Monday, January 05, 2009 10:18 AM
To: IronRuby External Code Reviewers; DLR Code Reviews
Cc: ironruby-core at rubyforge.org
Subject: Code Review: Thread.critical

  tfpt review "/shelveset:critical;REDMOND\sborde"


  Fix to interpreter to get better stack trace even when call-site caching kicks in. The try-catch needs to be added to all code that can throw an exception in the interpreter (or preferably in one function like Interpreter.Interpret), but I have not done that here.


  Implements Thread.critical= by using Monitor.Enter/Exit. This will work for 90% or more of scenarios IMO. MRI does not schedule other threads while Thread.critical is true (while IronRuby will), but this is more an implementation detail that falls out with the green threads scheduler, than something that should be by spec. In fact, other threads do get scheduled anyway if the critical thread does Thread.pass etc (added tests to show this behavior if you want to play with it).
  Added tests
  Added irtests.bat to run all IronRuby tests with a single command, in four processes

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