# Swoole\Process::kill

(PECL swoole >= 1.9.0)

Swoole\Process::kill — Send signal to the child process.

### 说明

public static Swoole\Process::kill(int `$pid`, int `$signal_no` = ?): bool

Send signal to the child process.

### 参数

`pid`

  Process pid

`signal_no`

  Signal to be sent

### 返回值

成功时返回 `true`， 或者在失败时返回 `false`。

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