Kernel: Make RecursiveSpinLock thread safe

also SpinLock is now implemented with gcc builtins
2023-05-29 19:38:09 +03:00
parent 998999a755
commit ff83f967d8
4 changed files with 35 additions and 39 deletions
--- a/kernel/include/kernel/SpinLock.h
+++ b/kernel/include/kernel/SpinLock.h
@@ -19,7 +19,7 @@ namespace Kernel
 		bool is_locked() const;

 	private:
-		int m_lock = 0;
+		volatile int m_lock = 0;
 	};

 	class RecursiveSpinLock
@@ -34,7 +34,7 @@ namespace Kernel
 		bool is_locked() const;

 	private:
-		pid_t m_locker = 0;
+		pid_t m_locker = -1;
 		uint32_t m_lock_depth = 0;
 		SpinLock m_lock;
 	};