Created
October 27, 2010 18:01
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fork and copy on write behavior
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| n = 10 | |
| fork do | |
| n = 20 | |
| puts n #=> 20 | |
| end | |
| fork do | |
| n = 30 | |
| puts n #=> 30 | |
| end | |
| puts n #=> 10 | |
| fork do | |
| puts n #=> 10 | |
| end |
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| $n = 10 | |
| fork do | |
| $n = 20 | |
| puts $n #=> 20 | |
| end | |
| fork do | |
| $n = 30 | |
| puts $n #=> 30 | |
| end | |
| puts $n #=> 10 | |
| fork do | |
| puts $n #=> 10 | |
| end |
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