atomic test_and_set; spinlocks

1 files changed, 17 insertions, 0 deletions

diff --git a/kernel/include/atomic.h b/kernel/include/atomic.h
new file mode 100644
index 0000000..5ddc620
--- /dev/null
+++ b/kernel/include/atomic.h
@@ -0,0 +1,17 @@
+#ifndef ATOMIC
+#define ATOMIC
+
+#include <types.h>
+
+struct mutex_t {
+	volatile uint64_t* addr;
+};
+typedef struct mutex_t mutex_t;
+
+
+void init_mutex(mutex_t* mutex);
+bool test_and_set(mutex_t mutex, bool value);
+void lock(mutex_t mutex);
+void unlock(mutex_t mutex);
+
+#endif