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class ThreadGroup
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Parent:
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Object
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Version:
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1.6
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Index:
new
add
list
ThreadGroup provides a means of keeping track of a number of
threads as a group. A
Thread can belong to only one
ThreadGroup at a time; adding a thread to a new group will
remove it from any previous group.
Newly created threads belong to the same group as the thread from
which they were created.
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class methods
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new
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ThreadGroup.new
-> thgrp
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Returns a newly created ThreadGroup. The group is initially
empty.
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instance methods
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add
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thgrp.add( aThread )
-> thgrp
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Adds the given thread to this group, removing it from any other
group to which it may have previously belonged.
puts "Initial group is #{ThreadGroup::Default.list}"
tg = ThreadGroup.new
t1 = Thread.new { sleep 10 }
t2 = Thread.new { sleep 10 }
puts "t1 is #{t1}"
puts "t2 is #{t2}"
tg.add( t1 )
puts "Initial group now #{ThreadGroup::Default.list}"
puts "tg group now #{tg.list}"
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produces:
Initial group is #<Thread:0x401be5c8>
t1 is #<Thread:0x401b5428>
t2 is #<Thread:0x401b53d8>
Initial group now #<Thread:0x401b53d8>#<Thread:0x401be5c8>
tg group now #<Thread:0x401b5428>
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list
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thgrp.list
-> anArray
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Returns an array of all existing Thread objects that belong
to this group.
ThreadGroup::Default.list
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� |
[#<Thread:0x401be5c8 run>]
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