]>
Commit | Line | Data |
---|---|---|
ddceb393 MG |
1 | package Gruntmaster::Daemon::Format; |
2 | ||
3 | use 5.014000; | |
4 | use strict; | |
5 | use warnings; | |
6 | use parent qw/Exporter/; | |
7 | ||
8 | use POSIX qw//; | |
9 | use File::Basename qw/fileparse/; | |
10 | use Gruntmaster::Daemon::Constants qw/TLE OLE DIED NZX/; | |
11 | use Log::Log4perl qw/get_logger/; | |
12 | use Time::HiRes qw/alarm/; | |
13 | use List::MoreUtils qw/natatime/; | |
14 | use IPC::Signal qw/sig_name sig_num/; | |
15 | use IPC::Open3 qw/open3/; | |
16 | use File::Spec::Functions qw/devnull/; | |
17 | use Fcntl qw/F_GETFD F_SETFD FD_CLOEXEC/; | |
18 | ||
19 | our $VERSION = '0.001'; | |
20 | our @EXPORT_OK = qw/mkrun/; | |
21 | ||
22 | ################################################## | |
23 | ||
24 | sub command_and_args{ | |
25 | my ($format, $basename) = @_; | |
26 | return "./$basename" if $format eq 'CPP'; | |
27 | die | |
28 | } | |
29 | ||
30 | sub mkrun{ | |
31 | my $format = shift; | |
32 | sub{ | |
33 | my ($name, %args) = @_; | |
34 | my $basename = fileparse $name, qr/\.[^.]*/; | |
35 | my $ret = fork // die 'Cannot fork'; | |
36 | if ($ret) { | |
37 | my $tle; | |
38 | local $SIG{ALRM} = sub { kill KILL => $ret; $tle = 1}; | |
39 | alarm $args{timeout} if exists $args{timeout}; | |
40 | wait; | |
41 | alarm 0; | |
42 | my $sig = $? & 127; | |
43 | my $signame = sig_name $sig; | |
44 | die [TLE, "Time Limit Exceeded"] if $tle; | |
45 | die [OLE, 'Output Limit Exceeded'] if $sig && $signame eq 'XFSZ'; | |
46 | die [DIED, "Crash (SIG$signame)"] if $sig; | |
47 | die [NZX, "Non-zero exit status: " . ($? >> 8)] if $?; | |
48 | } else { | |
49 | my @fds = exists $args{fds} ? @{$args{fds}} : (); | |
50 | $^F = 50; | |
51 | POSIX::close $_ for 0 .. $^F; | |
52 | my $it = natatime 2, @fds; | |
53 | while (my ($fd, $file) = $it->()) { | |
54 | open my $fh, $file or die $!; | |
55 | my $oldfd = fileno $fh; | |
56 | if ($oldfd != $fd) { | |
57 | POSIX::dup2 $oldfd, $fd or die $!; | |
58 | POSIX::close $oldfd or die $!; | |
59 | } | |
60 | } | |
61 | exec 'gruntmaster-exec', $args{mlimit} // 0, $args{olimit} // 0, command_and_args($format, $basename), exists $args{args} ? @{$args{args}} : (); | |
62 | } | |
63 | } | |
64 | } | |
65 | ||
66 | 1 |