# File debug-1.4.0/lib/debug/session.rb, line 1747
def after_fork
end
# File debug-1.4.0/lib/debug/session.rb, line 1727
def locked?
true
end
# File debug-1.4.0/lib/debug/session.rb, line 1750
def multi?
@lock_file
end
# File debug-1.4.0/lib/debug/session.rb, line 1754
def multi_process!
require 'tempfile'
@lock_tempfile = Tempfile.open("ruby-debug-lock-")
@lock_tempfile.close
extend MultiProcessGroup
end