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Describe about vfork().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47389 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -53,6 +53,8 @@ with all sufficient information, see the ChangeLog file.
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* Extended method:
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* Process execution methods such as Process.spawn opens the file in write
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mode for redirect from [:out, :err].
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* Process creation methods, such as spawn(), uses vfork() system call.
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vfork() is faster than fork() when the parent process uses huge memory.
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* Symbol
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* New methods
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