Date: Fri, 19 Jun 2020 18:00:11 +0100 From: Patrick Welche <prlw1%cam.ac.uk@localhost> Message-ID: <20200619170011.GA21933@quantz> | ltsleep(9) doesn't mention it as return value. It does mention EWOULDBLOCK, and EWOULDBLOCK is just EAGAIN with a different name. kre