DataMuseum.dk

Presents historical artifacts from the history of:

Rational R1000/400 Tapes

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about Rational R1000/400 Tapes

Excavated with: AutoArchaeologist - Free & Open Source Software. 

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Index: ┃ B T ┃

⟦e5e607748⟧ TextFile

    Length: 1112 (0x458)
    Types: TextFile
    Names: »B«

Derivation

└─⟦149519bd4⟧ Bits:30000546 8mm tape, Rational 1000, !projects 93-07-13
    └─ ⟦124ff5788⟧ »DATA« 
        └─⟦this⟧ 
└─⟦a7d1ea751⟧ Bits:30000550 8mm tape, Rational 1000, !users!projects 94_04_11
    └─ ⟦129cab021⟧ »DATA« 
        └─⟦this⟧ 
└─⟦f64eaa120⟧ Bits:30000752 8mm tape, Rational 1000, !projects 93 02 16
    └─ ⟦6f12a12be⟧ »DATA« 
        └─⟦this⟧ 
└─⟦2f6cfab89⟧ Bits:30000547 8mm tape, Rational 1000, !projects 94-01-04
    └─ ⟦d65440be7⟧ »DATA« 
        └─⟦this⟧

TextFile

with Fifo;  
with Socket_Defs;


package body Mailbox is

    package Fifo_Mailbox is new Fifo (Element => Element);

    task body Task_Mailbox is
    begin
        loop
            select
                accept Get (Item : out Element; Result : out Boolean) do  
                    if not Fifo_Mailbox.Is_Empty then
                        Fifo_Mailbox.Get (Item);
                        Result := True;  
                    else
                        Result := False;
                    end if;
                end Get;
            or
                accept Put (Item : in Element; Result : out Boolean) do
                    if not Fifo_Mailbox.Is_Full then
                        Fifo_Mailbox.Put (Item);
                        Result := True;
                    else
                        Result := False;
                    end if;
                end Put;
            or
                accept Clear do
                    Fifo_Mailbox.Clear;
                end Clear;
            or

                terminate;
            end select;
        end loop;

    end Task_Mailbox;

end Mailbox;