ex 3.42 - done
ex 3.42 - few more words
complexity of using multiple shared resources
some concerns about deadlock
ex 3.43 - first question
ex 3.43 - q2

Have more important things to do these days.
Won't be that active for a while.
Good luck for the end of this semester.
ex 3.43 - done
ex 3.44 - working (might be wrong)
ex 3.43 - fix error, not done yet
ex 3.43 - fix some words
ex 3.43 - done
ex 3.44 - fix explanation
ex 3.44 - done
ex 3.45 - answer
ex 3.45 - done & a tentative fix
3.4.2 - impl working
test-and-set!
3.4.2 - todo
Merge branch 'sicp'