From b2dd3f00f0617abd5757ca75a5579d493dc8bd85 Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Mon, 7 Jun 2021 16:45:39 +0800
Subject: [bug][kernel][heap] 将内存堆保护机制由FIFO改为PRIO
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---
 src/memheap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/memheap.c')

diff --git a/src/memheap.c b/src/memheap.c
index 35a04c14b1..d3ad6d2c36 100644
--- a/src/memheap.c
+++ b/src/memheap.c
@@ -155,7 +155,7 @@ rt_err_t rt_memheap_init(struct rt_memheap *memheap,
     item->next_free = item->prev_free = RT_NULL;
 
     /* initialize semaphore lock */
-    rt_sem_init(&(memheap->lock), name, 1, RT_IPC_FLAG_FIFO);
+    rt_sem_init(&(memheap->lock), name, 1, RT_IPC_FLAG_PRIO);
 
     RT_DEBUG_LOG(RT_DEBUG_MEMHEAP,
                  ("memory heap: start addr 0x%08x, size %d, free list header 0x%08x\n",
-- 
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