1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
| | # Copyright (C) 2015-2018 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
use strict;
use warnings;
use Test::More;
use PublicInbox::Spawn qw(which spawn popen_rd);
{
my $true = which('true');
ok($true, "'true' command found with which()");
}
{
my $pid = spawn(['true']);
ok($pid, 'spawned process');
is(waitpid($pid, 0), $pid, 'waitpid succeeds on spawned process');
is($?, 0, 'true exited successfully');
}
{
my ($r, $w);
pipe $r, $w or die "pipe failed: $!";
my $pid = spawn(['echo', 'hello world'], undef, { 1 => fileno($w) });
close $w or die "close pipe[1] failed: $!";
is(<$r>, "hello world\n", 'read stdout of spawned from pipe');
is(waitpid($pid, 0), $pid, 'waitpid succeeds on spawned process');
is($?, 0, 'true exited successfully');
}
{
my ($r, $w);
pipe $r, $w or die "pipe failed: $!";
my $pid = spawn(['sh', '-c', 'echo $HELLO'],
{ 'HELLO' => 'world' }, { 1 => fileno($w) });
close $w or die "close pipe[1] failed: $!";
is(<$r>, "world\n", 'read stdout of spawned from pipe');
is(waitpid($pid, 0), $pid, 'waitpid succeeds on spawned process');
is($?, 0, 'sh exited successfully');
}
{
my ($r, $w);
pipe $r, $w or die "pipe failed: $!";
my $pid = spawn(['env'], {}, { -env => 1, 1 => fileno($w) });
close $w or die "close pipe[1] failed: $!";
ok(!defined(<$r>), 'read stdout of spawned from pipe');
is(waitpid($pid, 0), $pid, 'waitpid succeeds on spawned process');
is($?, 0, 'env(1) exited successfully');
}
{
my $fh = popen_rd([qw(echo hello)]);
ok(fileno($fh) >= 0, 'tied fileno works');
my $l = <$fh>;
is($l, "hello\n", 'tied readline works');
$l = <$fh>;
ok(!$l, 'tied readline works for EOF');
}
{
my $fh = popen_rd([qw(printf foo\nbar)]);
ok(fileno($fh) >= 0, 'tied fileno works');
my @line = <$fh>;
is_deeply(\@line, [ "foo\n", 'bar' ], 'wantarray works on readline');
}
{
my $fh = popen_rd([qw(echo hello)]);
my $buf;
is(sysread($fh, $buf, 6), 6, 'sysread got 6 bytes');
is($buf, "hello\n", 'tied gets works');
is(sysread($fh, $buf, 6), 0, 'sysread got EOF');
$? = 1;
close $fh;
is($?, 0, '$? set properly');
}
{
my $fh = popen_rd([qw(false)]);
close $fh;
isnt($?, 0, '$? set properly: '.$?);
}
{
my ($fh, $pid) = popen_rd([qw(sleep 60)], undef, { Blocking => 0 });
ok(defined $pid && $pid > 0, 'returned pid when array requested');
is(kill(0, $pid), 1, 'child process is running');
ok(!defined(sysread($fh, my $buf, 1)) && $!{EAGAIN},
'sysread returned quickly with EAGAIN');
is(kill(9, $pid), 1, 'child process killed early');
is(waitpid($pid, 0), $pid, 'child process reapable');
isnt($?, 0, '$? set properly: '.$?);
}
SKIP: {
eval {
require BSD::Resource;
defined(BSD::Resource::RLIMIT_CPU())
} or skip 'BSD::Resource::RLIMIT_CPU missing', 3;
my ($r, $w);
pipe($r, $w) or die "pipe: $!";
my $cmd = ['sh', '-c', 'while true; do :; done'];
my $fd = fileno($w);
my $opt = { RLIMIT_CPU => [ 1, 1 ], RLIMIT_CORE => [ 0, 0 ], 1 => $fd };
my $pid = spawn($cmd, undef, $opt);
close $w or die "close(w): $!";
my $rset = '';
vec($rset, fileno($r), 1) = 1;
ok(select($rset, undef, undef, 5), 'child died before timeout');
is(waitpid($pid, 0), $pid, 'XCPU child process reaped');
isnt($?, 0, 'non-zero exit status');
}
done_testing();
1;
|