exceptiopn to treat the return value from IP

Methods
N
S
Attributes
[R] return_value
[R] value
Class Public methods
new(ret=nil)

Source: show 

# File ext/tk/lib/multi-tk.rb, line 49
def initialize(ret=nil)
  super('succeed')
  @return_value = ret
end
send(thread, ret=nil)

Source: show 

# File ext/tk/lib/multi-tk.rb, line 45
def self.send(thread, ret=nil)
  thread.raise self.new(ret)
end