This is called the tmpwatch problem.

这类问题叫做“tmpwatch”问题。

youdao

Never reopen the file, or use any operations that use the file name as a parameter. Always use the file descriptor or associated stream — or the tmpwatch race issues will cause problems.

永远不要重新打开文件或者使用任何以文件为参数的操作——始终使用文件描述符或者相关的流，否则，tmpwatch竞争将引发一些问题。

youdao