- "there is no alarm signal generated in the eval {} block?? "
So, use debug or print statements to see if that's actually so... and, not just incidentally, time the sub at sub-second resolution (Time::HiRes, for example) or using (your favorite flavor of) profiler.
- The pseudo-code in your points 1) .. 4) does NOT inform me of any possible issues inside the sub. Code, as requested (unless long) * would do so.
* And if it's more than 10-15 lines, consider reducing it to a minimal form that still exhibits the problem. That serves two purposes: first, it may make something jump into view that clears up your question and, second, it makes it easier for us to help whilst our crystal balls are broken and psi blocked by DHS.
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