Configures the watcher

# EvChild::set

(PECL ev >= 0.2.0)

EvChild::set — Configures the watcher

### 说明

public function EvChild::set( int `$pid` , bool `$trace` ): void

### 参数

`pid`
  The same as for EvChild::__construct()
`trace`
  The same as for EvChild::__construct()

### 返回值

没有返回值。

### 参见

- EvChild::__construct() - Constructs the EvChild watcher object

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