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Don't attempt to catch the uncatchable SIGKILL signal

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Richard Hansen 2020-05-24 21:51:26 -04:00
parent 7a9991966b
commit fb67669902
1 changed files with 2 additions and 5 deletions
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7
ddclient
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@ -834,10 +834,8 @@ if (!opt('daemon') && $programd =~ /d$/) {
}
my $caught_hup = 0;
my $caught_term = 0;
my $caught_kill = 0;
$SIG{'HUP'} = sub { $caught_hup = 1; };
$SIG{'TERM'} = sub { $caught_term = 1; };
$SIG{'KILL'} = sub { $caught_kill = 1; };
# don't fork() if foreground or force is on
if (opt('foreground') || opt('force')) {
;
@ -893,7 +891,7 @@ do {
sendmail();
my $left = $daemon;
while (($left > 0) && !$caught_hup && !$caught_term && !$caught_kill) {
while (($left > 0) && !$caught_hup && !$caught_term) {
my $delay = $left > 10 ? 10 : $left;
$0 = sprintf("%s - sleeping for %s seconds", $program, $left);
@ -913,9 +911,8 @@ do {
} else {
$result = $result eq 'OK' ? 0 : 1;
}
} while ($daemon && !$result && !$caught_term && !$caught_kill);
} while ($daemon && !$result && !$caught_term);
warning("caught SIGKILL; exiting") if $caught_kill;
unlink_pid();
sendmail();