forkbomb

forkbomb - * expected. If in doubt, talk to the course...

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/* * forkbomb - apply malthus to an operating system ;-) * * DO NOT RUN THIS ON A REAL SYSTEM - IT WILL GRIND TO A HALT AND * PEOPLE WILL COME AFTER YOU WIELDING BASEBALL BATS OR THE AD * BOARD(*). WE WARNED YOU. * * We don't expect your system to withstand this without grinding to * a halt, but once your basic system calls are complete it shouldn't * crash. Likewise for after your virtual memory system is complete. * * (. ..at least in an ideal world. However, it can be difficult to * handle all the loose ends involved. Heroic measures are not
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Unformatted text preview: * expected. If in doubt, talk to the course staff.) * * * (*) The Administrative Board of Harvard College handles formal * disciplinary action. */ #include <unistd.h> #include <err.h> static volatile int pid; int main() { int i; while (1) { fork(); pid = getpid(); /* Make sure each fork has its own address space. */ for (i=0; i<300; i++) { volatile int seenpid; seenpid = pid; if (seenpid != getpid()) { errx(1, "pid mismatch (%d, should be %d) " "- your vm is broken!", seenpid, getpid()); } } } }...
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This note was uploaded on 11/10/2009 for the course CS 536 taught by Professor Lums during the Spring '09 term at Indiana.

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