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-rw-r--r--libs/kstd/src/mutex.cpp24
1 files changed, 24 insertions, 0 deletions
diff --git a/libs/kstd/src/mutex.cpp b/libs/kstd/src/mutex.cpp
new file mode 100644
index 0000000..5a26154
--- /dev/null
+++ b/libs/kstd/src/mutex.cpp
@@ -0,0 +1,24 @@
+#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