* process.c (retry_fork_async_signal_safe): Specialized version of
  retry_fork respect to rb_fork_async_signal_safe.
  (retry_fork_ruby): Specialized version of retry_fork respect to
  rb_fork_ruby.
  (rb_fork_ruby): Removed.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47357 b2dd03c8-39d4-4d8f-98ff-823fe69b080e