What is the safe_level : safe_level « Threads « Ruby

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Ruby » Threads » safe_level   What is the safe_level t1 = Thread.new { $SAFE = 1; sleep 5 } t2 = Thread.new { $SAFE = 3; sleep 5 } sleep 1 lev0 = Thread.main.safe_level    # 0 lev1 = t1.safe_level             # 1 lev2 = t2.safe_level             # 3   Related examples in the same category

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