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我似乎无法得到这个工作; Thread.start
为什么不启动?为什么不能启动Thread.start?
# encoding: utf-8
require 'socket'
print "choose host: "
host = gets.chomp
print "choose starting port: "
sport = gets.to_i
print "choose ending port: "
eport = gets.to_i
def scanner (sport, eport, host)
while sport <= eport
begin
s = TCPSocket.new(host, sport)
if s
puts "Port #{sport} is open!"
end
rescue
puts "Port #{sport} is closed!"
end
sport += 1
end
end
Thread.start([scanner]sport, eport, host)
不知道,但也许你需要Thread.join。 ?也许主线程正在退出导致整个进程在工作线程完成之前终止。 –
@ AndrewTomazos-Fathomling:这正是这里发生的事情。你应该把它作为答案。 –
好吧,它的工作原理:) – Ba7a7chy