See: https://illumos.org/man/5/epoll

Idea: move logic from src/unix/linux-core.c to src/unix/epoll.c and share that between Linux and Illumos.

Motivation:

• removes 250-300 lines of code from src/unix/sunos.c
• switches to much more battle-hardened code
• makes libuv more efficient because it no longer has to accommodate this event ports quirk:

diff --git a/src/unix/core.c b/s

Currently we use a pretty naive removal of testing dependencies for SwiftPM by setting an environment variable. We should be able to use Rocket and update our Rakefile script to just remove testing dependencies on each release, and keep it in the development process thanks to that.

The idea came from this PR that I saw RxSwiftCommunity/RxOptional#83, which sounds reall

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• For the "Utilization by process name" window, we could group by pid rather than process name so that it's easier to find specific heavy network resource consumers.
• For the "Utilization by connection" window, including the pid + cmdlin

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