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-rw-r--r--src/clock.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/clock.c b/src/clock.c
index a5f5d5e9f1..88f443ee0e 100644
--- a/src/clock.c
+++ b/src/clock.c
@@ -89,6 +89,8 @@ void rt_tick_increase(void)
rt_base_t level;
rt_atomic_t oldval = 0;
+ RT_ASSERT(rt_interrupt_get_nest() > 0);
+
RT_OBJECT_HOOK_CALL(rt_tick_hook, ());
/* increase the global tick */
#ifdef RT_USING_SMP