Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.Prune svn:mergeinfo from the new branch, as nothing has been mergedhere.Additional commits post-branch will follow.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Implemtn getdtablecount() to count open file descriptors for current process.Use underlying sysctl implemented by mjg in r290473.PR: 194985Reviewed by: bapt, mjgDifferential Revision: https://reviews.freebsd.org/D4084