I don't have access to a Solaris box right now. But of course one approach would be to disable process core dumps and then Perl or anything else won't generate one.
Solaris Core Dumps
I would suggest simplifying to the basics. I didn't see your statement that installed the handler. Try running this and see what happens.
#!/usr/bin/perl -w
use strict;
$SIG{INT} = \&handler;
while (1)
{
sleep(1);
}
sub handler
{
print "ctl-c entered\n";
exit(0);
}
I am on Windows now and there is some strangeness in how CTL-C is implemented (with a INT handler installed, it will not interrupt the sleep() function, e.g. with sleep(5), it might take 5 seconds for the CTL-C handler to be executed!).
Try the above and see what happens. If you still get a core dump, take out the print statement and try again with just the "exit(0)" statement. Sometimes (sys dependent), you may not be able to do anything useful after a CTRL-C except exit. I suppose that it is possible that your debug logging statement itself may be causing the core dump depending upon what is going on when you hit CTL-C.
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