>From 126fac5ccb8966764d49cb81b6c61d55bd1d21f4 Mon Sep 17 00:00:00 2001
From: Akira Yokosawa <akiyks@xxxxxxxxx>
Date: Tue, 24 Oct 2017 07:54:30 +0900
Subject: [PATCH 1/2] locking: Update table layout
To imply vertical lines, instead of coloring alternate rows,
put light gray boxes in blank cells.
Suggested-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Akira Yokosawa <akiyks@xxxxxxxxx>
---
locking/locking.tex | 42 ++++++++++++++++++++----------------------
1 file changed, 20 insertions(+), 22 deletions(-)
diff --git a/locking/locking.tex b/locking/locking.tex
index 9cb0176..a574a0c 100644
--- a/locking/locking.tex
+++ b/locking/locking.tex
@@ -1311,44 +1311,42 @@ or even milliseconds.
\subsection{Beyond Reader-Writer Locks}
\label{sec:locking:Beyond Reader-Writer Locks}
+\newcommand{\x}{\textcolor{gray!20}{\rule{7pt}{7pt}}}
+
\begin{table}
+\renewcommand*{\arraystretch}{1.2}
\small
\centering
-\begin{tabular}{l||c|c|c|c|c|c}
- ~ ~ ~ ~ ~ ~ ~ ~ ~
- & \begin{picture}(6,70)(0,0)
+\begin{tabular}{lcccccc}
+ \toprule
+ & \begin{picture}(6,65)(0,0)
\rotatebox{90}{Null (Not Held)}
\end{picture}
- & \begin{picture}(6,70)(0,0)
+ & \begin{picture}(6,65)(0,0)
\rotatebox{90}{Concurrent Read}
\end{picture}
- & \begin{picture}(6,70)(0,0)
+ & \begin{picture}(6,65)(0,0)
\rotatebox{90}{Concurrent Write}
\end{picture}
- & \begin{picture}(6,70)(0,0)
+ & \begin{picture}(6,65)(0,0)
\rotatebox{90}{Protected Read}
\end{picture}
- & \begin{picture}(6,70)(0,0)
+ & \begin{picture}(6,65)(0,0)
\rotatebox{90}{Protected Write}
\end{picture}
- & \begin{picture}(6,70)(0,0)
+ & \begin{picture}(6,65)(0,0)
\rotatebox{90}{Exclusive}
\end{picture}
\\
- \hline
-% NL CR CW PR PW EX
- \hline
- Null (Not Held) & ~ & ~ & ~ & ~ & ~ & ~ \\
- \hline
- Concurrent Read & ~ & ~ & ~ & ~ & ~ & X \\
- \hline
- Concurrent Write & ~ & ~ & ~ & X & X & X \\
- \hline
- Protected Read & ~ & ~ & X & ~ & X & X \\
- \hline
- Protected Write & ~ & ~ & X & X & X & X \\
- \hline
- Exclusive & ~ & X & X & X & X & X \\
+% NL CR CW PR PW EX
+ \cmidrule(r){1-1} \cmidrule{2-7}
+ Null (Not Held) & \x & \x & \x & \x & \x & \x \\
+ Concurrent Read & \x & \x & \x & \x & \x & X \\
+ Concurrent Write & \x & \x & \x & X & X & X \\
+ Protected Read & \x & \x & X & \x & X & X \\
+ Protected Write & \x & \x & X & X & X & X \\
+ Exclusive & \x & X & X & X & X & X \\
+ \bottomrule
\end{tabular}
\caption{VAX/VMS Distributed Lock Manager Policy}
\label{tab:locking:VAX/VMS Distributed Lock Manager Policy}
--
2.7.4
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