From d9194d46ef70e7c9f76b876b2439c24649d57d1e Mon Sep 17 00:00:00 2001
From: Aleksa Vuckovic <aleksav013@gmail.com>
Date: Sat, 28 Jan 2023 21:06:31 +0100
Subject: atomic test_and_set; spinlocks

---
 kernel/include/atomic.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 kernel/include/atomic.h

(limited to 'kernel/include/atomic.h')

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
-- 
cgit v1.2.3