'open' 事件
fd<integer> <fs.WriteStream> 使用的整数文件描述符。
打开 <fs.WriteStream> 的文件时触发。
fd<integer> Integer file descriptor used by the <fs.WriteStream>.
Emitted when the <fs.WriteStream>'s file is opened.
fd <integer> <fs.WriteStream> 使用的整数文件描述符。打开 <fs.WriteStream> 的文件时触发。
fd <integer> Integer file descriptor used by the <fs.WriteStream>.Emitted when the <fs.WriteStream>'s file is opened.