diff --git a/Kernel/SingleCore/os_systick.h b/Kernel/SingleCore/os_systick.h
index f8f4a4b..727470a 100644
--- a/Kernel/SingleCore/os_systick.h
+++ b/Kernel/SingleCore/os_systick.h
@@ -1,5 +1,6 @@
 #ifndef INCLUDED_OS_SYSTICK_H
 #define INCLUDED_OS_SYSTICK_H
+#include <stdatomic.h>
 
 #ifndef INCLUDED_OS_TYPES_H
 #include <os_types.h>
@@ -88,4 +89,10 @@ os_tick_t os_systick_safe_get_in_isr(void) {
     return ticks;
 }
 
+OS_STATIC_FORCE_INLINE
+os_bool_t os_systick_is_timeout(os_tick_t start_tick, os_tick_t timeout_ticks) {
+    volatile os_tick_t end_ticks = g_os_systick_ticks;
+    return (end_ticks - start_tick) >= timeout_ticks;
+}
+
 #endif /*INCLUDED_OS_SYSTICK_H*/