The first way is to install a signal handler for the SIGBUS signal, and then simply call return in the handler.
第一种方式是为SIGBUS信号设置信号处理程序,并在处理程序中简单的执行return语句。
3
For signal conditioning hardware to condition a signal, or for the DAQ device to measure it directly, you must first convert it to an electrical signal such as voltage or current.