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Merge pull request #221 from cs341-illinois/fix-dead-links

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Fix dead external links in the coursebook
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Lawrence Angrave
2026-08-23 22:01:06 -05:00
committed by GitHub
parent c1e8df5046 6a27c988c1
commit d25bb9ec8d
6 changed files with 6 additions and 6 deletions
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appendix/appendix.tex
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@@ -671,7 +671,7 @@ Thus, in practice, surrounding critical sections with a mutex lock and unlock ca
For further reading, we suggest the following web post that discusses implementing Peterson's algorithm on an x86 process and the Linux documentation on memory barriers.
\begin{enumerate}
\item \href{http://bartoszmilewski.com/2008/11/05/who-ordered-memory-fences-on-an-x86/}{Memory Fences}
\item \href{http://lxr.free-electrons.com/source/Documentation/memory-barriers.txt}{Memory Barriers}
\item \href{https://www.kernel.org/doc/Documentation/memory-barriers.txt}{Memory Barriers}
\end{enumerate}
background/background.tex
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@@ -243,7 +243,7 @@ For this, we require sshfs which has ports on many different machines.
\begin{enumerate}
\item Windows \url{https://github.com/billziss-gh/sshfs-win}
\item Mac \url{https://github.com/osxfuse/osxfuse/wiki/SSHFS}
\item Mac \url{https://web.archive.org/web/20240913220726/https://github.com/osxfuse/osxfuse/wiki/SSHFS}
\item Linux \url{https://help.ubuntu.com/community/SSHFS}
\end{enumerate}
filesystems/filesystems.tex
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@@ -1144,7 +1144,7 @@ Services must survive single disk, rack of servers, or whole data center failure
\subsection{Solutions}
Simple redundancy (2 or 3 copies of each file) e.g., Google GFS (2001).
More efficient redundancy (analogous to RAID 3++) e.g., \href{http://goo.gl/LwFIy}{Google Colossus filesystem} (\textasciitilde{}2010): customizable replication including Reed-Solomon codes with 1.5x redundancy
More efficient redundancy (analogous to RAID 3++) e.g., \href{https://web.archive.org/web/20160910131226/http://static.googleusercontent.com/media/research.google.com/en/us/university/relations/facultysummit2010/storage_architecture_and_challenges.pdf}{Google Colossus filesystem} (\textasciitilde{}2010): customizable replication including Reed-Solomon codes with 1.5x redundancy
\section{Simple Filesystem Model}
malloc/malloc.tex
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@@ -438,7 +438,7 @@ int s = (requested_bytes + tag_overhead_bytes + 15) / 16
\end{lstlisting}
The additional constant ensures incomplete units are rounded up. Note, real code is more likely to symbol sizes e.g. \keyword{sizeof(x)\ -\ 1}, rather than coding numerical constant 15.
\href{http://www.ibm.com/developerworks/library/pa-dalign/}{Here's a great article on memory alignment, if you are further interested}
\href{https://web.archive.org/web/20190313121701/https://www.ibm.com/developerworks/library/pa-dalign/}{Here's a great article on memory alignment, if you are further interested}
Another added effect could be internal fragmentation happens when the given block is larger than their allocation size.
Let's say that we have a free block of size 16B (not including metadata).
networking/networking.tex
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@@ -436,7 +436,7 @@ For example, we haven't talked about \keyword{setsockopt} which can manipulate o
You can also mess around with lower protocols as the kernel provides primitives that contribute to this.
Note that you need to be root to create a raw socket.
Also, you need to have a lot of ``set up'' or starter code, be prepared to have your datagrams be dropped due to bad form as well.
For more information see this \href{http://www.beej.us/guide/bgnet/output/html/multipage/getaddrinfoman.html}{guide}.
For more information see this \href{https://beej.us/guide/bgnet/html/split/man-pages.html#getaddrinfoman}{guide}.
\subsection{Sending some data}
post_mortems/post_mortems.tex
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@@ -163,7 +163,7 @@ Lessons Learned: Get an antivirus and/or apparmor and make sure that an applicat
Required Sections: Intro to C
\href{https://www.geek.com/games/why-gandhi-is-always-a-warmongering-jerk-in-civilization-1608515/}{Ghandi's Aggressiveness}
\href{https://web.archive.org/web/20191216004115/https://www.geek.com/games/why-gandhi-is-always-a-warmongering-jerk-in-civilization-1608515/}{Ghandi's Aggressiveness}
This is probably well known to gamers why someone as (in real life) non-violent as Ghandi was aggressive in the video game civilization.
In the original, the game kept aggressiveness as an unsigned integer.