Construct a memory lock.

# Swoole\Lock::__construct

(PECL swoole >= 1.9.0)

Swoole\Lock::__construct — Construct a memory lock.

### Description

public Swoole\Lock::__construct(string `$type` = ?, string `$file_lock_location` = ?)

Swoole lock is used for data synchronization between multiple theads or processes.

### Parameters

`type`

`file_lock_location`

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