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#ifndef KSTD_MUTEX_HPP
#define KSTD_MUTEX_HPP
#include <atomic>
namespace kstd
{
/**
* @brief Custom mutex implementation, that simply wraps an atomic boolean to keep track if the mutex is already in
* use by another thread or not.
*/
struct mutex
{
/**
* @brief Defaulted constructor.
*/
mutex() = default;
/**
* @brief Defaulted destructor.
*/
~mutex() = default;
/**
* @brief Deleted copy constructor.
*/
mutex(const mutex &) = delete;
/**
* @brief Deleted assignment operator.
*/
mutex & operator=(const mutex &) = delete;
/**
* @brief Lock the mutex (blocks for as long as it is not available).
*/
[[gnu::section(".stl_text")]]
auto lock() -> void;
/**
* @brief Try to lock the mutex (non-blocking).
*
* @return True if lock has been acquired and false otherwise.
*/
[[gnu::section(".stl_text")]]
auto try_lock() -> bool;
/**
* @brief Unlock the mutex.
*/
[[gnu::section(".stl_text")]]
auto unlock() -> void;
private:
std::atomic<bool> locked = {false}; // Atomic boolean to track if mutex is locked or not.
};
} // namespace kstd
#endif
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