From 417c46c0405bef25ab8ef6b7cf227c7affea7a34 Mon Sep 17 00:00:00 2001
From: Matheus <matheusuky@gmail.com>
Date: Fri, 9 Sep 2022 18:14:14 -0300
Subject: [PATCH] spinlock: try and acquire func

---
 src/arch/x86_64/include/arch/spinlock.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/arch/x86_64/include/arch/spinlock.h b/src/arch/x86_64/include/arch/spinlock.h
index 7638a3ea..3b5cece4 100644
--- a/src/arch/x86_64/include/arch/spinlock.h
+++ b/src/arch/x86_64/include/arch/spinlock.h
@@ -1,10 +1,16 @@
 #ifndef _SPINLOCK_H_INCLUDE
 #define _SPINLOCK_H_INCLUDE
 
+#include <stdbool.h>
+
 static inline void spinlock_acquire(int *lock){
 	while(!__sync_bool_compare_and_swap(lock, 0, 1)) asm("pause");
 }
 
+static inline bool spinlock_trytoacquire(int *lock){
+	return __sync_bool_compare_and_swap(lock, 0, 1);
+}
+
 static inline void spinlock_release(int *lock){
 	*lock = 0;
 }