| 1 | (* This is a picture of the concurrent checkpointing algorithm. *)
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| 2 |
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| 3 | newgraph
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| 4 | xaxis min 0 max 3 size 2.5 nodraw
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| 5 | yaxis min 0 max 2.0 size 2 nodraw
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| 6 |
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| 7 | (* Draw the address space *)
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| 8 |
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| 9 | newstring fontsize 9 hjc vjt x 0.25 y -0.07 : Address\
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| 10 | Space
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| 11 |
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| 12 | newcurve fill 1 marktype ellipse marksize 0.2 1.4 pts 0.5 1.3
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| 13 | newcurve marktype box fill 1 marksize 0.5 2.0 pts 0.25 1
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| 14 | newline pts 0.0 0.6 0.5 0.6
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| 15 |
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| 16 | (* Draw the registers *)
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| 17 | shell : echo "0.7 0" | awk -f regs.awk
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| 18 | newstring hjc vjc fontsize 7 x 1.3 y 0.3 : . . .
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| 19 | newstring fontsize 9 hjc vjt x 1.05 y -0.07 : CPU\
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| 20 | States
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| 21 |
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| 22 | (* Draw the second address space *)
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| 23 | newcurve fill 1 marktype ellipse marksize 0.2 1.5 pts 2.2 1.25
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| 24 | newcurve marktype box marksize 0.5 2.0 fill 1 pts 1.95 1
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| 25 | copycurve marksize 0.5 1.4 fill .5 pts 1.95 1.3
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| 26 | copycurve marksize 0.5 0.1 pts 1.95 0.55
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| 27 | newstring fontsize 9 hjc vjt x 1.95 y -0.07 : New Address\
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| 28 | Space
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| 29 |
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| 30 | (* Draw all the arrows *)
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| 31 | newline rarrow asize .07 .04 pts 0.6 1.3 1.60 1.3
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| 32 | newline pts 1.3 0.575 1.22 0.4
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| 33 | newline pts 1.3 0.575 1.3 0.4
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| 34 | newline pts 1.3 0.575 1.38 0.4
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| 35 | newline rarrow asize .07 .04 pts 1.0 0.6 1.3 0.575 1.6 0.55
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| 36 |
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| 37 | newline linetype longdash rarrow asize .07 .04 pts 2.3 1.25 2.6 0.45
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| 38 |
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| 39 | (* Draw the disk *)
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| 40 | shell : echo "2.5 0.0" | awk -f disk.awk
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