Apache NuttX is a mature, real-time embedded operating system (RTOS) https://nuttx.apache.org/

embeddedmcumicrocontrollernuttxreal-timertos

patacongo 8864829ded Completed integration of TCP connection backlog and poll()/select() for connections ... git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1295 42af7a65-404d-4744-a932-0658087f49c3		2008-11-20 21:50:55 +00:00
Documentation	Completed integration of TCP connection backlog and poll()/select() for connections	2008-11-20 21:50:55 +00:00