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Programming-Idioms

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Idiom #229 Cancel an operation

Interrupt an ongoing processing p.

import "context"
ctx, cancel := context.WithCancel(context.Background())
go p(ctx)

somethingElse()

cancel()
uses Process;
var
  P: TProcess;
begin
  ...
  P.Execute;
  //do something else
  P.Terminate(0);
end.
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ctx, cancel := context.WithCancel(context.Background())
go p(ctx)

somethingElse()

cancel()
var
  P: TProcess;
begin
  ...
  P.Execute;
  //do something else
  P.Terminate(0);
end.