[Rd] Ignore user interrupts

[Sharpie]

Sharpie wrote
> 
> If not, would it work to move the function call into a C function that
> uses `eval` inside a block protected by BEGIN_SUSPEND_INTERRUPTS?
> 

Just to clarify, if there is no functionality at the R level for evaluating
an expression without interrupts, would it be possible to create it by
defining a function:

evalWithoutInterrupts <- function(expr, envir = parent.frame())
{
  .Call(do_evalWithoutInterrupts, expr, envir)
}


With a C-level implemention:

SEXPR do_evalWithoutInterrupts(SEXP expr, SEXP envir)
{
  SEXP result;

  BEGIN_SUSPEND_INTERRUPTS{
    result = eval(expr, envir);
  }END_SUSPEND_INTERRUPTS;

  return result;
}


Would that be a correct way to tackle the problem?

-Charlie

-----
Charlie Sharpsteen
Undergraduate-- Environmental Resources Engineering
Humboldt State University
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