blob: 2e0872417c13d713b09309331be830a03968243f (
plain)
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
|
#!/usr/bin/env perl
use strict;
use warnings;
use Test::More;
use Time::HiRes 'time';
use MCE::Mutex;
my $mutex = MCE::Mutex->new( impl => 'Flock' );
is($mutex->impl(), 'Flock', 'implementation name');
sub task1 {
$mutex->lock_exclusive;
sleep 1;
$mutex->unlock;
}
sub task2 {
my $guard = $mutex->guard_lock;
sleep 1;
}
sub spawn {
my ($i) = @_;
my $pid = fork;
if ($pid == 0) {
task1() if ($i % 2 != 0);
task2() if ($i % 2 == 0);
exit();
}
return $pid;
}
my $start = time;
my @pids = map { spawn($_) } 1..4;
waitpid($_, 0) for @pids;
my $success = (time - $start > 2) ? 1 : 0;
is($success, 1, 'mutex lock_exclusive');
done_testing;
|
