describe about waiting a child process.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16209 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -42,8 +42,6 @@ module Open3
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#
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# Block form:
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#
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# require 'open3'
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#
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# Open3.popen3(cmd) { |stdin, stdout, stderr| ... }
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# # stdin, stdout and stderr is closed automatically in this form.
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#
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@ -83,6 +81,11 @@ module Open3
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#
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# The parameter +cmd+ is passed directly to Kernel#spawn.
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#
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# wait_thr.value waits the termination of the process.
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# The block form also waits the process when it returns.
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#
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# Closing stdin, stdout and stderr does not wait the process.
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#
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def popen3w(*cmd)
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pw = IO::pipe # pipe[0] for read, pipe[1] for write
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pr = IO::pipe
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