Date: Tue, 28 Aug 2018 19:36:05 +0300 From: Warm White Wolf <warmwhitewolf@gmail.com> To: asomers@freebsd.org, freebsd-hackers@freebsd.org Subject: Re: angel(2) system call, the quest for immortality, aka kill(2) with SIGSTOP/SIGKILL will *not* work Message-ID: <CAFnM2KQVd5hCP8MfX26KM5dMJpW2gF3af_DHZoDMZjfyuz6YVA@mail.gmail.com> In-Reply-To: <CAOtMX2jA6VZZLf6cbQZsE%2BLVL-1ea3Jk_C0KAwjZfk_D9z-gVw@mail.gmail.com> References: <CAFnM2KTzigt7gCZaMK=bqEXV5dM=gW8fGpBFdt12emGbEyv89w@mail.gmail.com> <CAOtMX2jA6VZZLf6cbQZsE%2BLVL-1ea3Jk_C0KAwjZfk_D9z-gVw@mail.gmail.com>
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Seriously : suppose your well crafted, eventually audited program, is more important than your whole informatic system, perhaps the raison d'etre of your business. You want to live, more than the 1% errors of your sysadmins. Ludic : you have an account in the Unix machines at your university. You wrote your small HTTPD, and you want that your sysadmins won't kill your power-httpd. fork(void) was pretty extremy at it's time... As a power Unix-user, a config option for the kernel, at compile-time, can be provided... On Tue, Aug 28, 2018 at 5:46 PM Alan Somers <asomers@freebsd.org> wrote: > On Tue, Aug 28, 2018 at 2:59 AM Warm White Wolf <warmwhitewolf@gmail.com> > wrote: > >> Greetings ! >> >> I have developed a new system call, be it named angel(2), >> on Linux operating system (this is what I know), which makes >> a program invulnerable to kill(2) calls, including SIGKILL and >> SIGSTOP. >> >> The uses may involve fork() + angel(), daemon() + angel(), >> setsid() + angel(), exec*() + angel(). >> >> Use the intellectual property I give you, as a gift to the BSD >> operating system, using 4- 3- 2- BSD licence. That's it, name >> me in the sources. >> >> Thank you, FreeBSD ! >> You are a great Unix operating system ! >> > > What are the applications? Blocking SIGKILL is pretty extreme. > -Alan >
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