4 ms·Can you not use std::condition_variable to avoid the active waiting of the signal?by yazzku 2y agoCan you not use std::condition_variable to avoid the active waiting of the signal?quotemstr 2y agosignalfd or ppoll or a million other optionslisteria 2y agoI don't know if std::condition_variable is async-signal safe, but an easy fix is to replace the sleeping with pause(2). There's also sigwait(3), which wouldn't need a signal handler.