76 lines
1.3 KiB
Text
76 lines
1.3 KiB
Text
Process Bancone {
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int nbomb = 0;
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long tick = 0, alarm = -1;
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bool butta = false;
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entry friggi_i(out int rimasti);
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entry friggi_f;
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entry servi_cliente_i;
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entry servi_cliente_f;
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entry scaduti;
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entry clock;
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entry wait_timer;
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entry set_timer (in long n);
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do
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[] nbomb == 0 or butta; accept friggi_i(out nrimasti);
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nrimasti = nbomb;
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[] ; accept friggi_f() ->
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nbomb = 30;
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alarm = tick + minuti(60);
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butta = false;
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[] nbomb > 0 and !butta; accept servi_cliente_i();
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[] ; accept servi_cliente_f() ->
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nbomb--;
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[] ; accept clock(); ->
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tick++;
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[] tick >= alarm and alarm != -1; accept wait_timer() ->
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butta = true;
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nbomb = 0; // errore
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alarm = -1;
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[] ; accept set_timer(in long n) ->
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alarm = tick + n;
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[] ; accept scaduti ->
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butta = true;
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od;
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}
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Process Mario {
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int nrimasti;
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while(true){
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call Bancone.friggi_i(nrimasti);
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if(nrimasti) < butta >;
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< friggi bomboloni >
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call Bancone.set_timer(60);
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call Bancone.friggi_f();
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}
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}
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Process Piero {
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while(true){
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< attendi cliente >
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call Bancone.servi_cliente_i();
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< servi cliente >
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call Bancone.servi_cliente_f();
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}
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}
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Process Rosa {
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while(true){
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call Bancone.wait_timer();
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call Bancone.butta();
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}
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}
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Process Clock {
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while(true){
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< hardware clock ticks >
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call Bancone.clock();
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}
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}
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