TLS on OS X is a no-go in the foreseeable future. :(
Googled a bit on tls support. OS X is a problem. :P
Sorted out the issue with concurrent gc access to pointers.
Various small changes.
More details on which pike stack frames the micro-gc has to scan.
Talk about the string append case for single-refcount optimizations.
State compatibility as a goal.
More on single-refcount optimizations.
More on weak refs.
Some clarifications for shared mapping/multiset data blocks.
Detailing asynchronous lock space pointer access.
Did away with preemptive thread suspend and resume.
Discussed two ways to solve gc of weakly ref'ed things.
Various changes based on feedback and new ideas.
Described new gc approach.