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# -*- coding: GB2312 -*-
require 'date'
# ʹÓÃỊ̈߳¬Ï̵߳Ĵ¦Àí´úÂëÀïûÓÐsleep
def have_thread_no_sleep
p Time.now
thread1 = Thread.new do
a = 0
20000.times do |v|
a = DateTime.parse('1993-02-24T12:30:45')
end
p a
end
thread2 = Thread.new do
a = 0
10000.times do |v|
a = DateTime.parse('1993-02-25T12:30:45')
end
p a
end
thread = [thread1,thread2]
thread.each {|t| t.join }
p Time.now
end
# ûÓÐʹÓÃỊ̈߳¬Ï̵߳Ĵ¦Àí´úÂëÀïûÓÐsleep
def no_thread_no_sleep
p Time.now
a = 0
20000.times do |v|
a = DateTime.parse('1993-02-24T12:30:45')
end
p a
a = 0
10000.times do |v|
a = DateTime.parse('1993-02-25T12:30:45')
end
p a
p Time.now
end
# ʹÓÃỊ̈߳¬Ï̵߳Ĵ¦Àí´úÂëÀïÓÐsleep
def have_thread_have_sleep
p Time.now
thread1 = Thread.new do
a = 1 + 2
sleep 3
p a
end
thread2 = Thread.new do
a = 0
a = 1 + 2
sleep 2
p a
end
thread = [thread1,thread2]
thread.each {|t| t.join }
p Time.now
end
# ûÓÐʹÓÃỊ̈߳¬Ï̵߳Ĵ¦Àí´úÂëÀïÓÐsleep
def no_thread_have_sleep
p Time.now
a = 1 + 2
sleep 3
p a
a = 0
a = 1 + 2
sleep 2
p a
p Time.now
end
p "ûÓÐʹÓÃỊ̈߳¬Ï̵߳Ĵ¦Àí´úÂëÀïûÓÐsleep"
no_thread_no_sleep
p "ʹÓÃỊ̈߳¬Ï̵߳Ĵ¦Àí´úÂëÀïûÓÐsleep"
have_thread_no_sleep
p "ʹÓÃỊ̈߳¬Ï̵߳Ĵ¦Àí´úÂëÀïÓÐsleep"
have_thread_have_sleep
p "ûÓÐʹÓÃỊ̈߳¬Ï̵߳Ĵ¦Àí´úÂëÀïÓÐsleep"
no_thread_have_sleep

²âÊÔ½á¹ûÈçÏÂ
"ûÓÐʹÓÃỊ̈߳¬Ï̵߳Ĵ¦Àí´úÂëÀïûÓÐsleep"    ->     24Ãë
2009-12-02 23:03:11 +0800
#<DateTime: 1993-02-24T12:30:45+00:00 (4702162601/1920,0/1,2299161)>
#<DateTime: 1993-02-25T12:30:45+00:00 (4702164521/1920,0/1,2299161)>
2009-12-02 23:03:35 +0800
"ʹÓÃỊ̈߳¬Ï̵߳Ĵ¦Àí´úÂëÀïûÓÐsleep" -> 26Ãë
2009-12-02 23:03:35 +0800
#<DateTime: 1993-02-2


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