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Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | digraph g |
2 | { | |
3 | graph | |
4 | [ | |
5 | nodesep="0.6" | |
6 | ]; | |
7 | ||
8 | edge | |
9 | [ | |
10 | fontname="Helvetica", | |
11 | fontsize=10, | |
12 | labelfontname="Helvetica", | |
13 | labelfontsize=10 | |
14 | ]; | |
15 | ||
16 | node | |
17 | [ | |
18 | fontname="Helvetica", | |
19 | fontsize=10, | |
20 | shape=box | |
21 | ]; | |
22 | ||
23 | edge | |
24 | [ | |
25 | arrowhead="open" | |
26 | ] | |
27 | ||
28 | // Program elements. | |
29 | { | |
30 | operating_system [ label="Operating System", shape=ellipse ]; | |
31 | io_service [ label="io_service" ]; | |
32 | io_object [ label="I/O Object\ne.g. socket" ]; | |
33 | your_program [ label="Your Program" ]; | |
34 | } | |
35 | ||
36 | // Owning relationships. | |
37 | { | |
38 | edge [ arrowtail="diamond" ]; | |
39 | your_program:w -> io_object:nw; | |
40 | your_program:se -> io_service:ne; | |
41 | } | |
42 | ||
43 | // Non-owning relationships; | |
44 | { | |
45 | io_object:sw -> io_service:w; | |
46 | } | |
47 | ||
48 | // Actions. | |
49 | { | |
50 | edge [ style="dashed", color="#808080" ]; | |
51 | ||
52 | // Forward actions. | |
53 | { | |
54 | your_program:sw -> io_object:n [ label="1" ]; | |
55 | io_object:s -> io_service:nw [ label="2" ]; | |
56 | io_service:sw -> operating_system:nw [ label="3" ]; | |
57 | } | |
58 | ||
59 | // Reverse actions. | |
60 | { | |
61 | edge [ arrowhead="none", arrowtail="open" ]; | |
62 | io_service:se -> operating_system:ne [ label="4" ]; | |
63 | io_object:se -> io_service:n [ label="5" ]; | |
64 | your_program:s -> io_object:ne [ label="6" ]; | |
65 | } | |
66 | } | |
67 | } |