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add __logged_die to perl's logging module #95

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Merged
k-rister merged 1 commit into from
May 1, 2025
Merged

add __logged_die to perl's logging module #95

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18 changes: 16 additions & 2 deletions perl/toolbox/logging.pm
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,18 @@ sub log_print_error {
__log_print(\*STDERR, $str);
}

# write the message to the specified filename and die
sub __logged_die {
my ($filename, $str) = @_;

if (open(my $fh, ">", $filename)) {
print $fh $str;
close($fh);
}

die($str);
}

# this subroutine is meant to handle cases where prints to a file
# handle are failing. We believe this is because of back pressure
# from the associated device (ie. the terminal). Retries along with
Expand Down Expand Up @@ -61,15 +73,17 @@ sub __log_print {
$attempts++;
}

my $logged_die_filename = "/tmp/toolbox_logged_die.txt";

if (! $ret) {
die "Failed to print '" . $str . "' to STDOUT after " . $attempts . " attempts and " . $total_open_attempts . " total open attempts!\n";
__logged_die($logged_die_filename, "Failed to print '" . $str . "' to STDOUT after " . $attempts . " attempts and " . $total_open_attempts . " total open attempts!\n");
} else {
$attempts--;

if (($attempts > 1) || ($total_open_attempts > 1)) {
$ret = print $fh "[PRINT WARNING] Previous line took " . $attempts . " attempts and " . $total_open_attempts . " total open attempts to print after a perl print error!\n";
if (! $ret) {
die "Failed to print the print warning!\n";
__logged_die($logged_die_filename, "Failed to print the print warning!\n");
}
}
}
Expand Down
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