Function trackChildProcess

packages/engine/src/utils/processTracker.ts:5–10

(proc: ChildProcess)

const tracked = new Set<ChildProcess>();

export function trackChildProcess(proc: ChildProcess): void {
  tracked.add(proc);
  const remove = () => tracked.delete(proc);
  proc.once("exit", remove);
  proc.once("error", remove);
}

/**
 * SIGTERM all tracked child processes, then SIGKILL any that survive