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26 lines
575 B
ObjectPascal
26 lines
575 B
ObjectPascal
Program Example33;
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{ Program to demonstrate the Select function. }
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Uses linux;
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Var FDS : FDSet;
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begin
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FD_Zero (FDS);
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FD_Set (0,FDS);
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Writeln ('Press the <ENTER> to continue the program.');
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{ Wait until File descriptor 0 (=Input) changes }
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Select (1,@FDS,nil,nil,nil);
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{ Get rid of <ENTER> in buffer }
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readln;
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Writeln ('Press <ENTER> key in less than 2 seconds...');
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FD_Zero (FDS);
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FD_Set (0,FDS);
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if Select (1,@FDS,nil,nil,2000)>0 then
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Writeln ('Thank you !')
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{ FD_ISSET(0,FDS) would be true here. }
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else
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Writeln ('Too late !');
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end.
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