in reply to Signal Capturing....
Definitely do a “Super Search” on this one, because it is a frequently asked question. There are at least three aspects to this FAQ:
... and ... heh ... how to do that and debug that without losing your remaining hair in the process.
- How to go about receiving the signal, especially in Perl’s version of multi-threading.
- How to cause the program to stop, not “in its trac...” but, “at an appropriate stopping-point, as soon as possible.”
- How to efficiently wait for the signal to resume.
Start searching here.