rubyspec/mspec — pull request #25 by nurse (2012-04-12 23:23:06+00:00)
Title: Delete SPEC_TEMP_DIR only by main process.

If a spec call Process.fork, lib/mspec/helpers/tmp.rb's at_exit is
called by the forked process. This means the temp dir, which is still
used, may be removed other than main process.