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缓存类的remember方法增加锁定机制

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thinkphp
2017-08-17 16:17:55 +08:00
parent 5d80302da5
commit 04ee016643
1 changed files with 16 additions and 3 deletions
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19
library/think/cache/Driver.php vendored
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@@ -120,10 +120,23 @@ abstract class Driver
public function remember($name, $value, $expire = null)
{
if (!$this->has($name)) {
if ($value instanceof \Closure) {
$value = call_user_func($value);
while ($this->has($name . '.lock')) {
// 存在锁定则等待
}
try {
// 锁定
$this->set($name . '.lock', true);
if ($value instanceof \Closure) {
$value = call_user_func($value);
}
$this->set($name, $value, $expire);
// 解锁
$this->rm($name . '.lock');
} catch (\Exception $e) {
// 解锁
$this->rm($name . '.lock');
}
$this->set($name, $value, $expire);
} else {
$value = $this->get($name);
}