From 3da7aa8ec1541a808985971cf3814baa83f32f69 Mon Sep 17 00:00:00 2001
From: Simone Piccardi <piccardi@gnulinux.it>
Date: Tue, 10 Jun 2008 13:07:11 +0000
Subject: [PATCH] Altre figure con tikz fornite da Alessio Frusciante

---
 gapil.tex   |  1 +
 intro.tex   | 41 ++++++++++++++++++++++++++++++++++++++++-
 process.tex | 39 ++++++++++++++++++++++++++++++++++++++-
 3 files changed, 79 insertions(+), 2 deletions(-)

diff --git a/gapil.tex b/gapil.tex
index 8e762b9..ddbab89 100644
--- a/gapil.tex
+++ b/gapil.tex
@@ -46,6 +46,7 @@
 \usepackage{fancyvrb}
 
 \usepackage{tikz}
+\usetikzlibrary{shapes}
 
 \def\tild{\char'176}
 
diff --git a/intro.tex b/intro.tex
index 1759249..b7416db 100644
--- a/intro.tex
+++ b/intro.tex
@@ -174,7 +174,46 @@ fig.~\ref{fig:intro_sys_struct}.
 
 \begin{figure}[htb]
   \centering
-  \includegraphics[width=10cm]{img/struct_sys}
+%  \includegraphics[width=10cm]{img/struct_sys}
+  \begin{tikzpicture}
+    \filldraw[fill=black!20] (0,0) rectangle (7.5,1);
+    \draw (3.75,0.5) node {System Call Interface};
+    \filldraw[fill=black!35] (0,1) rectangle (7.5,4);
+    \draw (3.75,2.5) node {\huge{kernel}};
+    \filldraw[fill=black!20] (0,4) rectangle (2.5,5);
+    \draw (1.25,4.5) node {scheduler};
+    \filldraw[fill=black!20] (2.5,4) rectangle (5,5);
+    \draw (3.75,4.5) node {VM};
+    \filldraw[fill=black!20] (5,4) rectangle (7.5,5);
+    \draw (6.25,4.5) node {driver};
+
+    \draw (1.25,7) node(cpu) [ellipse,draw] {CPU};
+    \draw (3.75,7) node(mem) [ellipse,draw] {memoria};
+    \draw (6.25,7) node(disk) [ellipse,draw] {disco};
+
+    \draw[<->] (cpu) -- (1.25,5);
+    \draw[<->] (mem) -- (3.75,5);
+    \draw[<->] (disk) -- (6.25,5);
+
+    \draw (7.5,0) node [anchor=base west] {kernel space};
+    \draw (7.5,-1) node [anchor=west] {user space};
+
+    \draw (-1,-0.5) -- (8.5, -0.5);
+
+    \draw (0,-2) rectangle (7.5,-1);
+    \draw (3.75, -1.5) node {GNU C Library};
+    \draw[->] (1.25,-1) -- (1.25,0);
+    \draw[->] (3.75,-1) -- (3.75,0);
+    \draw[->] (6.25,-1) -- (6.25,0);
+
+    \draw (1.25,-3) node(proc1) [rectangle,draw] {processo};
+    \draw (3.75,-3) node(proc2) [rectangle,draw] {processo};
+    \draw (6.25,-3) node(proc3) [rectangle,draw] {processo};
+
+    \draw[->] (1.25,-2) -- (proc1);
+    \draw[->] (3.75,-2) -- (proc2);
+    \draw[->] (6.25,-2) -- (proc3);
+  \end{tikzpicture}
   \caption{Schema di massima della struttura di interazione fra processi,
     kernel e dispositivi in Linux.}
   \label{fig:intro_sys_struct}
diff --git a/process.tex b/process.tex
index 70ed245..30913ae 100644
--- a/process.tex
+++ b/process.tex
@@ -234,7 +234,44 @@ normalmente un programma 
 
 \begin{figure}[htb]
   \centering
-  \includegraphics[width=9cm]{img/proc_beginend}
+%  \includegraphics[width=9cm]{img/proc_beginend}
+  \begin{tikzpicture}[>=stealth]
+    \filldraw[fill=black!35] (-0.3,0) rectangle (12,1);
+    \draw(5.5,0.5) node {\large{kernel}};
+
+    \filldraw[fill=black!15] (1.5,2) rectangle (4,3);
+    \draw (2.75,2.5) node {\texttt{ld-linux.so}};
+    \draw [->] (2.75,1) -- (2.75,2);
+    \draw (2.75,1.5) node [anchor=west]{\texttt{exec}};
+
+    \filldraw[fill=black!15,rounded corners] (1.5,4) rectangle (4,5);
+    \draw (2.75,4.5) node {\texttt{main}};
+
+    \draw [<->, dashed] (2.75,3) -- (2.75,4);
+    \draw [->] (1.5,4.5) -- (0.3,4.5) -- (0.3,1);
+    \draw (0.9,4.5) node [anchor=south] {\texttt{\_exit}};
+
+    \filldraw[fill=black!15,rounded corners] (1.5,6) rectangle (4,7);
+    \draw (2.75,6.5) node {\texttt{funzione}};
+
+    \draw [<->, dashed] (2.75,5) -- (2.75,6);
+    \draw [->] (1.5,6.5) -- (0.05,6.5) -- (0.05,1);
+    \draw (0.9,6.5) node [anchor=south] {\texttt{\_exit}};
+
+    \draw (6.75,4.5) node (exit) [rectangle,fill=black!15,minimum width=2.5cm,minimum height=1cm,rounded corners, draw]{\texttt{exit}};
+
+    \draw[->] (4,6.5) -- node[anchor=south west]{\texttt{exit}} (exit);
+    \draw[->] (4,4.5) -- node[anchor=south]{\texttt{exit}} (exit);
+    \draw[->] (exit) -- node[anchor=east]{\texttt{\_exit}}(6.75,1);
+
+    \draw (10,4.5) node (exithandler1) [rectangle,fill=black!15,rounded corners, draw]{exit handler};
+    \draw (10,5.5) node (exithandler2) [rectangle,fill=black!15,rounded corners, draw]{exit handler};
+    \draw (10,3.5) node (stream) [rectangle,fill=black!15,rounded corners, draw]{chiusura stream};
+
+    \draw[<->, dashed] (exithandler1) -- (exit);
+    \draw[<->, dashed] (exithandler2) -- (exit);
+    \draw[<->, dashed] (stream) -- (exit);
+  \end{tikzpicture}
   \caption{Schema dell'avvio e della conclusione di un programma.}
   \label{fig:proc_prog_start_stop}
 \end{figure}
-- 
2.30.2