4774. [bug] <isc/util.h> was incorrectly included in several header files. [RT #46311] (cherry picked from commit fe79e2efbf94c10af2cc6abe7f7feb0437393e82)
update copyright notice / whitespace
Use C11's stdatomic.h instead of isc_atomic where available (cherry picked from commit 404c9b1c53fd13f3a7f404522b13f48e2a71a8a0)
4401. [misc] Change LICENSE to MPL 2.0.
update copyright notice
ref not rep
1900. [port] freebsd: pthread_mutex_init can fail if it runs out of memory. [RT #14995]