}
	if e, ok := err.(http2StreamError); ok {
		if e.Cause != nil {
			err = e.Cause
		} else {
			err = http2errStreamClosed
		}
	}
	st.closeErr = err
	st.cancelCtx()
	st.cw.Close() // signals Handler's CloseNotifier, unblocks writes, etc
	sc.writeSched.CloseStream(st.id)
}

func (sc *http2serverConn) processSettings(f *http2SettingsFrame) error {
	sc.serveG.check()
	if f.IsAck() {

...

For detailed release notes on the three alpha features from SIG AWS, please refer to the following Changelogs:

pkg syscall (netbsd-arm64-cgo), const SIGIOT = 6
pkg syscall (netbsd-arm64-cgo), const SIGIOT Signal
pkg syscall (netbsd-arm64-cgo), const SIGPROF = 27
pkg syscall (netbsd-arm64-cgo), const SIGPROF Signal
pkg syscall (netbsd-arm64-cgo), const SIGPWR = 32
pkg syscall (netbsd-arm64-cgo), const SIGPWR Signal
pkg syscall (netbsd-arm64-cgo), const SIGSTOP = 17
pkg syscall (netbsd-arm64-cgo), const SIGSTOP Signal

pkg syscall (darwin-arm64), const SIGIOT = 6
pkg syscall (darwin-arm64), const SIGIOT Signal
pkg syscall (darwin-arm64), const SIGPROF = 27
pkg syscall (darwin-arm64), const SIGPROF Signal
pkg syscall (darwin-arm64), const SIGSTOP = 17
pkg syscall (darwin-arm64), const SIGSTOP Signal
pkg syscall (darwin-arm64), const SIGSYS = 12
pkg syscall (darwin-arm64), const SIGSYS Signal
pkg syscall (darwin-arm64), const SIGTSTP = 18

  // the kill signal (no opportunity to shut down).
  // If this value is nil, the default grace period will be used instead.
  // The grace period is the duration in seconds after the processes running in the pod are sent
  // a termination signal and the time when the processes are forcibly halted with a kill signal.
  // Set this value longer than the expected cleanup time for your process.

	// signal (no opportunity to shut down).
	// If this value is nil, the default grace period will be used instead.
	// The grace period is the duration in seconds after the processes running in the pod are sent
	// a termination signal and the time when the processes are forcibly halted with a kill signal.
	// Set this value longer than the expected cleanup time for your process.

...

	// Exit status from the last termination of the container
	ExitCode int32 `json:"exitCode" protobuf:"varint,1,opt,name=exitCode"`
	// Signal from the last termination of the container
	// +optional
	Signal int32 `json:"signal,omitempty" protobuf:"varint,2,opt,name=signal"`
	// (brief) reason from the last termination of the container
	// +optional
	Reason string `json:"reason,omitempty" protobuf:"bytes,3,opt,name=reason"`

  // the kill signal (no opportunity to shut down).
  // If this value is nil, the default grace period will be used instead.
  // The grace period is the duration in seconds after the processes running in the pod are sent
  // a termination signal and the time when the processes are forcibly halted with a kill signal.
  // Set this value longer than the expected cleanup time for your process.