Catching the sigINT signal : Special Variables « Language Basics « Perl






  1. Perl
  2. Language Basics
  3. Special Variables

Catching the sigINT signal

   


#!/usr/bin/perl


use strict;
my $interruptions = 0;
$SIG{INT} = \&handle_interruptions;

while ($interruptions < 3) {
  print "waiting.\n";
  sleep(5);
}

sub handle_interruptions {
  $interruptions++;
  warn "interrupted ${interruptions}x.\n";
}








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