nf7/iface/common/leak_detector.hh
2023-08-06 10:43:14 +09:00

46 lines
840 B
C++

// No copyright
#pragma once
#include <atomic>
#include <cassert>
#include <cstdint>
#include <cstdlib>
#include <iostream>
namespace nf7 {
#if !defined(NDEBUG)
template <typename T>
class LeakDetector {
public:
LeakDetector() { (void) checker_; ++count_; }
virtual ~LeakDetector() noexcept { --count_; }
private:
struct Checker {
~Checker() {
if (count_ > 0) {
std::cerr << "LEAK DETECTED: " << typeid(T).name() << std::endl;
}
}
};
public:
static uint64_t count() noexcept { return count_; }
private:
static inline Checker checker_;
static inline std::atomic<uint64_t> count_ = 0;
};
#else
template <typename T>
class LeakDetector {
public:
static uint64_t count() noexcept { return 0; }
};
#endif
} // namespace nf7