port upstream

[shogo82148]

port upstream

• Do not suppress Chmod on non-existent file fsnotify/fsnotify#260

• inotify: don't ignore events for files that don't exist fsnotify/fsnotify#470

• Use common error when removing an unwatched file fsnotify/fsnotify#460

• Replace Use of Kthread-blocking Epoll with Poller Read, Remove Per-Event LStats on Linux #433 fsnotify/fsnotify#434

• kqueue: remove timeout from unix.Kevent() fsnotify/fsnotify#480

• macos: retry if open() returns EINTR fsnotify/fsnotify#475

• kqueue: don't set up watchers on unreadable files fsnotify/fsnotify#479

• Fix: Update watch paths when renaming directories with sub-watches on Windows  fsnotify/fsnotify#370

• windows: increase buffer size from 4K to 64K fsnotify/fsnotify#485

• [bugfix] close handle when remWatch open in getIno fsnotify/fsnotify#288

• kqueue: better error if watching a file fails fsnotify/fsnotify#471

• inotify: fix race in Close() fsnotify/fsnotify#465

• kqueue: Make watcher.Close() O(n) instead of O(n^2) fsnotify/fsnotify#233

• Add Solaris FEN using EventPorts from x/sys/unix fsnotify/fsnotify#371

• Optional Buffered Events channel. fsnotify/fsnotify#550

• Add NewBufferedWatcher() fsnotify/fsnotify#572

• Add AddWith() to pass options, allow controlling Windows buffer size fsnotify/fsnotify#521

• Add AddWith() to pass options, allow controlling Windows buffer size fsnotify/fsnotify#521

• inotify: remove watch when renaming a watched path fsnotify/fsnotify#518

• windows: ignore file attributes fsnotify/fsnotify#520

• windows: use ErrEventOverflow instead of "short read in readEvents()" fsnotify/fsnotify#525

• kqueue: don't immediately remove watches for all files in a directory on Delete event fsnotify/fsnotify#526

• Fix symlink behaviour on kqueue fsnotify/fsnotify#524

• Return ErrClosed on Add() when the watcher is closed fsnotify/fsnotify#516

• Add CI for linux/arm64, darwin/arm64 fsnotify/fsnotify#528