cd1fe572f5
NSS configuration state. As a side effect, this fixes a race condition which can occur if multiple threads call nsdispatch(3) concurrently before nsswitch.conf has been parsed. Previously, the thread holding conf_lock could cause other threads to return from nss_configure() before nsswitch.conf had been parsed, forcing them to fall back to the default sources for their NSS methods. Reviewed by: jhb Differential Revision: https://reviews.freebsd.org/D994 MFC after: 1 month Sponsored by: EMC / Isilon Storage Division