- Use a regular function pointer for dynamic dispatch.
- Remove `prng::ref` - it did not benefit the default case
(TLS avaialable) and actually made the no-TLS case slower, because
the time spent in the generator is dominated by mutex locking.
Signed-off-by: Damian Jarek <damian.jarek93@gmail.com>
* Allow setting a seed in websocket prng to workaround a valgrind bug
in Xenial.
* Coverage collection in Azp.
* Fixup blacklists to avoid zlib bugs.
* Use native b2 features for sanitizers and valgrind.
* Expanded Windows build matrix.
* Add additional clang (with libc++) builds.
Signed-off-by: Damian Jarek <damian.jarek93@gmail.com>