public function testSynchronized()
{
$a = array();
self::$db->synchronized('sync', function () use(&$a) {
$a[] = 'called';
self::$db->eachId(function ($id) {
if ($id == '_sync_lock') {
$a[] = 'each';
}
});
$file = self::$db->getPath() . '_sync_lock';
$handle = fopen($file, 'w+');
if ($handle && flock($handle, LOCK_EX | LOCK_NB, $wouldblock)) {
flock($handle, LOCK_UN);
fclose($handle);
} else {
$a[] = 'locked';
}
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
// this fails on windows 8
// whereas LOCK_NB appears to be supported, at least by windows 8
// $this->assertEquals(1, $wouldblock);
} else {
$this->assertEquals(1, $wouldblock);
}
self::$db->synchronized('sync', function () use(&$a) {
$a[] = 'nested';
});
});
$ex = array('called', 'locked', 'nested');
$this->assertEquals($ex, $a);
}
/**
* Apply a synchronized operation on the index
*
* @param callable $func
* @throws Exception
*/
public function apply($func)
{
$self = $this;
$this->db->synchronized($this->name . '_index', function () use($self, $func) {
$self->restore();
$func();
});
}
