https://man7.org/linux/man-pages/man2/pidfd_getfd.2.html https://man7.org/linux/man-pages/man2/pidfd_getfd.2.html https://gist.github.com/kentonv/bc7592af98c68

https://man7.org/linux/man-pages/man2/pidfd_getfd.2.html https://man7.org/linux/man-pages/man2/pidfd_getfd.2.html https://gist.github.com/kentonv/bc7592af98c68ba2738f4436920868dc https://gist.github.com/kentonv/bc7592af98c68ba2738f44369208... For those curious research "SCM_RIGHTS" (Socket-Level Control Message) and sendmsg/recvmsg