Messages in this thread |  | | Date | Thu, 16 May 1996 14:07:51 +0200 (MET DST) | From | Barry Lagerweij <> | Subject | Re: behavior of overwriting running executables? |
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On Thu, 16 May 1996, Alan Cox wrote:
> > SGI's Irix allows the program to be overwritten, but causes the running > > program to core-dump ! > > Does this apply to overwriting setuid programs (say with correct code so it > doesnt core dump ?). Thats one of the side issues of not locking processes > you are paging off.
Regardless of the setuid bit, a program that has been overwritten will core-dump in about 90% of the occasions. Since it does not occur on each occasion, it seems to be a paging problem. Anyway, I think Linux' solution is much cleaner. It still allows you to unlink & cp, so you can update say a cgi-bin while the webserver is still running.
Barry
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