drodil

#include <mutex>
#include <thread>
#include <unordered_map>

std::size_t get_thread_id() noexcept {
    static std::size_t thread_idx = 0;
    static std::mutex thread_mutex;
    static std::unordered_map<std::thread::id, std::size_t> thread_ids;

    std::lock_guard<std::mutex> lock(thread_mutex);

drodil

Tasks: 310 total,   5 running, 302 sleeping,   0 stopped,   1 zombie
Mem:    468960k total,   459408k used,     9552k free,     2300k buffers
Swap:   262140k total,   118768k used,   143372k free,   178380k cached
400%cpu   5%user   6%nice  28%sys 359%idle   2%iow   0%irq   1%sirq   0%host

  PID USER         PR  NI VIRT  RES  SHR S[%CPU] %MEM     TIME+ ARGS
  
  515 system       18  -2 867M  46M  32M S 27.1  10.1   4:35.40 system_server
 4861 shell        20   0 5.7M 1.8M 1.1M R  5.3   0.3   0:03.87 top
  350 system       20   0 8.0M 760K 592K S  1.5   0.1   0:01.94 [email protected]

drodil

#include <string>

class CarDoor {

public:
  explicit CarDoor(const std::string& name) : mName(name) { }

  ~CarDoor() = default;
  
  // Let's imagine a lot of functions here