您可以在运行时更改日志级别，方法就是发送SIGUSR1信号给Samba进程来增加日志级别，或发送SIGUSR2减少日志级别。

You can change the log level at run time by sending a SIGUSR1 signal to the Samba process to increase the log level or SIGUSR2 to decrease the log level.

youdao

尽管基本概念并没有更改，但信号系统已从 GTK+ 2.0 迁移到 Glib。

While the underlying concepts haven't changed, the signal system has been moved from GTK+ 2.0 to Glib.

youdao

一旦接收到了转储数据的信号，将使用 is_dumping 全局变量禁止其他的线程更改该缓冲区的内容。

The is_dumping global variable is used to stop other threads from changing the contents of the buffer once a signal has been received to dump data.

youdao