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#include "kstd/mutex"
#include "kstd/os/error.hpp"
#include <atomic>
namespace kstd
{
mutex::mutex() = default;
mutex::~mutex()
{
if (m_locked.test(std::memory_order_relaxed))
{
os::panic("[KSTD] Tried to destroy a locked mutex.");
}
}
auto mutex::lock() -> void
{
while (!try_lock())
{
asm volatile("nop");
}
}
auto mutex::try_lock() -> bool
{
return !m_locked.test_and_set(std::memory_order_acquire);
}
auto mutex::unlock() -> void
{
m_locked.clear(std::memory_order_release);
}
} // namespace kstd
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