libs/kstd/src/mutex.cpp


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#include "kstd/mutex"

#include <atomic>

namespace kstd
{
  auto mutex::lock() -> void
  {
    while (!try_lock())
    {
      asm volatile("nop");
    }
  }

  auto mutex::try_lock() -> bool
  {
    return !locked.exchange(true, std::memory_order_acquire);
  }

  auto mutex::unlock() -> void
  {
    locked.store(false, std::memory_order_release);
  }
}  // namespace kstd