code: func (m *ProcessManager) Kill(pid int64) bool {
  	m.mu.Lock()
  	entry, ok := m.entries[pid]
  	m.mu.Unlock()
  
  	if ok {
  		entry.Kill()
  		return true
  	}
  
  	return false
  }
docs: // Kill cancels the Process Context.
  // Returns true if pid exists in the process table, false otherwise.