Create a message queue as the communication method between the parent process and child processes.

# Swoole\Process::useQueue

(PECL swoole >= 1.9.0)

Swoole\Process::useQueue — Create a message queue as the communication method between the parent process and child processes.

### Beschreibung

public function Swoole\Process::useQueue(int `$key`, int `$mode` = ?): bool

### Parameter-Liste

`key`

`mode`

### Rückgabewerte

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