tree 88f8aa4374f279dd5f2016ac4eb3158d14f958b4
parent 63b396d89c3a535675808282e2563ecabc04ef76
author Carl Shapiro <cshapiro@google.com> 1266202891 -0800
committer Carl Shapiro <cshapiro@google.com> 1266359863 -0800

Add a new method to export the extent of the break, akin to return
value of sbrk(0) in UNIX.  In terms of dlmalloc and our proprietary
contiguous mspace class, this is the highest address returned by its
morecore method.