79 lines
1.5 KiB
Plaintext
79 lines
1.5 KiB
Plaintext
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digraph g
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{
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graph
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[
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nodesep="0.2"
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];
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edge
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[
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fontname="Helvetica",
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fontsize=10,
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labelfontname="Helvetica",
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labelfontsize=10
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];
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node
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[
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fontname="Helvetica",
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fontsize=10,
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shape=box
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];
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edge
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[
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arrowhead="open"
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]
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// Program elements.
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{
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operating_system [ label="Operating System", shape=ellipse ];
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io_context [ label="I/O Execution Context\ne.g. io_context" ];
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io_object [ label="I/O Object\ne.g. socket" ];
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your_program [ label="Your Program" ];
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your_completion_handler [ label="Your Completion Handler" ];
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}
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// Owning relationships.
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{
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edge [ arrowtail="diamond" ];
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your_program:e -> your_completion_handler:n;
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your_program:w -> io_object:nw;
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your_program:se -> io_context:ne;
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}
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// Non-owning relationships;
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{
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io_object:sw -> io_context:w;
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}
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// Visible actions.
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{
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edge [ style="dashed", color="#808080" ];
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// Forward actions.
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{
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your_program:s -> io_context:n [ label="5" ];
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}
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// Reverse actions.
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{
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edge [ arrowhead="none", arrowtail="open" ];
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io_context:s -> operating_system:n [ label="4" ];
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your_completion_handler:s -> io_context:e [ label="6" ];
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}
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}
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// Invisible actions.
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{
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edge [ style="invis" ];
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// Forward actions.
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{
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your_program:sw -> io_object:n [ label="1" ];
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io_object:s -> io_context:nw [ label="2" ];
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//io_context:s -> operating_system:n [ label="3" ];
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}
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}
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}
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