On Mon, Nov 16, 2015 at 6:25 PM, Marius Gedminas <mar...@gedmin.as> wrote:
> What you can do Linux that you cannot do on Windows is delete a shared > library file while it's mapped into a process's address space. Then > Linux lets you create a new file with the same name, while the old file > stays around, nameless, until it's no longer used, at which point the > disk space gets garbage-collected. (If we can call reference counting > "garbage collection".) > > The result is as you said: existing processes keep running the old code > until you restart them. There are tools (based on lsof, AFAIU) that > check for this situation and remind you to restart daemons. > Not sure what exactly was going on but whenever I did that on linux I got the most peculiar segfaults and failures. It is certainly not a safe thing to do, even if linux lets you do it. Thanks, -- Ionel Cristian Mărieș, http://blog.ionelmc.ro
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