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#ifndef KSTD_MUTEX_HPP
#define KSTD_MUTEX_HPP
#include <atomic>
namespace kstd
{
//! A non-recursive mutex.
struct mutex
{
mutex();
~mutex();
mutex(mutex const &) = delete;
mutex(mutex &&) = delete;
auto operator=(mutex const &) -> mutex & = delete;
auto operator=(mutex &&) -> mutex & = delete;
//! Lock the mutex.
//!
//! @note This function blocks for as long as the mutex is not available.
auto lock() -> void;
//! Try to lock the mutex.
//!
//! @note This function never blocks.
//! @return @p true iff. the mutex was successfully locked, @p false otherwise.
auto try_lock() -> bool;
//! Unlock the mutex.
//!
//! @note The behavior is undefined if the mutex is not currently held by the thread unlocking it.
auto unlock() -> void;
private:
std::atomic_flag m_locked{};
};
} // namespace kstd
#endif
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