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#include "arch/shared/mutex.hpp"
namespace teachos::arch::shared
{
auto mutex::lock() -> void
{
while (true)
{
if (!locked.exchange(true, std::memory_order_acquire))
{
return;
}
}
}
/**
* @brief Try to lock the mutex (non-blocking)
*
* @return true if lock has been acquired and false otherwise
*/
auto mutex::try_lock() -> bool { return !locked.exchange(true, std::memory_order_acquire); }
/**
* @brief Unlock the mutex
*/
auto mutex::unlock() -> void { locked.store(false, std::memory_order_release); }
} // namespace teachos::arch::shared
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