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| Syntactic Confectionery Delight | |
| PerlMonks |
Re^2: Detect whether a writeable filehandle has closed?by jdporter (Paladin) |
| on Jan 14, 2021 at 14:51 UTC ( [id://11126913]=note: print w/replies, xml ) | Need Help?? |
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Thank you. In fact, I had already tried the kill 0 technique, and it didn't work, just as you described. I'm going to try the /proc/$pid method. But I'm afraid that that might also yield a false negative if I haven't reaped the child yet. (ps shows "defunct".) (I suspect that that would also explain why kill 0 doesn't do what we expect either.)
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