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--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: The calling thread will suspend execution and run <em>thr</em>. Does not return until <em>thr</em> exits or until <em>limit</em> seconds have passed. If the time limit expires, <tt>nil</tt> will be returned, otherwise <em>thr</em> is returned.
- !ruby/struct:SM::Flow::P 
  body: Any threads not joined will be killed when the main program exits. If <em>thr</em> had previously raised an exception and the <tt>abort_on_exception</tt> and <tt>$DEBUG</tt> flags are not set (so the exception has not yet been processed) it will be processed at this time.
- !ruby/struct:SM::Flow::VERB 
  body: "   a = Thread.new { print &quot;a&quot;; sleep(10); print &quot;b&quot;; print &quot;c&quot; }\n   x = Thread.new { print &quot;x&quot;; Thread.pass; print &quot;y&quot;; print &quot;z&quot; }\n   x.join # Let x thread finish, a will be killed on exit.\n"
- !ruby/struct:SM::Flow::P 
  body: <em>produces:</em>
- !ruby/struct:SM::Flow::VERB 
  body: "   axyz\n"
- !ruby/struct:SM::Flow::P 
  body: The following example illustrates the <em>limit</em> parameter.
- !ruby/struct:SM::Flow::VERB 
  body: "   y = Thread.new { 4.times { sleep 0.1; puts 'tick... ' }}\n   puts &quot;Waiting&quot; until y.join(0.15)\n"
- !ruby/struct:SM::Flow::P 
  body: <em>produces:</em>
- !ruby/struct:SM::Flow::VERB 
  body: "   tick...\n   Waiting\n   tick...\n   Waitingtick...\n\n   tick...\n"
full_name: Thread#join
is_singleton: false
name: join
params: |
  thr.join          => thr
  thr.join(limit)   => thr

visibility: public