diff --git a/src/os/inc/osArm32.h b/src/os/inc/osArm32.h
index 51d305bb9a670e6ff012c0dfef870a18f84fa464..17b4d2dbd53fbc516900bf9aa2db69e7f44dace0 100644
--- a/src/os/inc/osArm32.h
+++ b/src/os/inc/osArm32.h
@@ -83,97 +83,6 @@ extern "C" {
   #define BUILDIN_CLZ(val) __builtin_clz(val)
   #define BUILDIN_CTZ(val) __builtin_ctz(val)
 
-#define TAOS_OS_FUNC_ATOMIC
-  #define atomic_load_8(ptr) __atomic_load_n((ptr), __ATOMIC_SEQ_CST)
-  #define atomic_load_16(ptr) __atomic_load_n((ptr), __ATOMIC_SEQ_CST)
-  #define atomic_load_32(ptr) __atomic_load_n((ptr), __ATOMIC_SEQ_CST)
-  #define atomic_load_64(ptr) __atomic_load_n((ptr), __ATOMIC_SEQ_CST)
-  #define atomic_load_ptr(ptr) __atomic_load_n((ptr), __ATOMIC_SEQ_CST)
-
-  //specify for arm32
-  #define atomic_store_8(ptr, val)   (*(ptr)=(val))
-
-  #define atomic_store_16(ptr, val) __atomic_store_n((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_store_32(ptr, val) __atomic_store_n((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_store_64(ptr, val) __atomic_store_n((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_store_ptr(ptr, val) __atomic_store_n((ptr), (val), __ATOMIC_SEQ_CST)
-
-  #define atomic_exchange_8(ptr, val) __atomic_exchange_n((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_exchange_16(ptr, val) __atomic_exchange_n((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_exchange_32(ptr, val) __atomic_exchange_n((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_exchange_64(ptr, val) __atomic_exchange_n((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_exchange_ptr(ptr, val) __atomic_exchange_n((ptr), (val), __ATOMIC_SEQ_CST)
-
-  #define atomic_val_compare_exchange_8 __sync_val_compare_and_swap
-  #define atomic_val_compare_exchange_16 __sync_val_compare_and_swap
-  #define atomic_val_compare_exchange_32 __sync_val_compare_and_swap
-  #define atomic_val_compare_exchange_64 __sync_val_compare_and_swap
-  #define atomic_val_compare_exchange_ptr __sync_val_compare_and_swap
-
-  #define atomic_add_fetch_8(ptr, val) __atomic_add_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_add_fetch_16(ptr, val) __atomic_add_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_add_fetch_32(ptr, val) __atomic_add_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_add_fetch_64(ptr, val) __atomic_add_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_add_fetch_ptr(ptr, val) __atomic_add_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-
-  // specify for arm32
-  #define atomic_fetch_add_8(ptr, val) __sync_fetch_and_add((ptr), (val))
-  
-  #define atomic_fetch_add_16(ptr, val) __atomic_fetch_add((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_add_32(ptr, val) __atomic_fetch_add((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_add_64(ptr, val) __atomic_fetch_add((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_add_ptr(ptr, val) __atomic_fetch_add((ptr), (val), __ATOMIC_SEQ_CST)
-
-  #define atomic_sub_fetch_8(ptr, val) __atomic_sub_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_sub_fetch_16(ptr, val) __atomic_sub_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_sub_fetch_32(ptr, val) __atomic_sub_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_sub_fetch_64(ptr, val) __atomic_sub_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_sub_fetch_ptr(ptr, val) __atomic_sub_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-
-  // specify for arm32
-  #define atomic_fetch_sub_8(ptr, val) __sync_fetch_and_sub((ptr), (val))
-
-  #define atomic_fetch_sub_16(ptr, val) __atomic_fetch_sub((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_sub_32(ptr, val) __atomic_fetch_sub((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_sub_64(ptr, val) __atomic_fetch_sub((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_sub_ptr(ptr, val) __atomic_fetch_sub((ptr), (val), __ATOMIC_SEQ_CST)
-
-  #define atomic_and_fetch_8(ptr, val) __atomic_and_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_and_fetch_16(ptr, val) __atomic_and_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_and_fetch_32(ptr, val) __atomic_and_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_and_fetch_64(ptr, val) __atomic_and_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_and_fetch_ptr(ptr, val) __atomic_and_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-
-  #define atomic_fetch_and_8(ptr, val) __atomic_fetch_and((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_and_16(ptr, val) __atomic_fetch_and((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_and_32(ptr, val) __atomic_fetch_and((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_and_64(ptr, val) __atomic_fetch_and((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_and_ptr(ptr, val) __atomic_fetch_and((ptr), (val), __ATOMIC_SEQ_CST)
-
-  #define atomic_or_fetch_8(ptr, val) __atomic_or_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_or_fetch_16(ptr, val) __atomic_or_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_or_fetch_32(ptr, val) __atomic_or_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_or_fetch_64(ptr, val) __atomic_or_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_or_fetch_ptr(ptr, val) __atomic_or_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-
-  #define atomic_fetch_or_8(ptr, val) __atomic_fetch_or((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_or_16(ptr, val) __atomic_fetch_or((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_or_32(ptr, val) __atomic_fetch_or((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_or_64(ptr, val) __atomic_fetch_or((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_or_ptr(ptr, val) __atomic_fetch_or((ptr), (val), __ATOMIC_SEQ_CST)
-
-  #define atomic_xor_fetch_8(ptr, val) __atomic_xor_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_xor_fetch_16(ptr, val) __atomic_xor_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_xor_fetch_32(ptr, val) __atomic_xor_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_xor_fetch_64(ptr, val) __atomic_xor_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_xor_fetch_ptr(ptr, val) __atomic_xor_fetch((ptr), (val), __ATOMIC_SEQ_CST)
-
-  #define atomic_fetch_xor_8(ptr, val) __atomic_fetch_xor((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_xor_16(ptr, val) __atomic_fetch_xor((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_xor_32(ptr, val) __atomic_fetch_xor((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_xor_64(ptr, val) __atomic_fetch_xor((ptr), (val), __ATOMIC_SEQ_CST)
-  #define atomic_fetch_xor_ptr(ptr, val) __atomic_fetch_xor((ptr), (val), __ATOMIC_SEQ_CST)
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/os/src/linux/aarch32.c b/src/os/src/linux/aarch32.c
new file mode 100644
index 0000000000000000000000000000000000000000..62ef43768530c49e7fa6695a9671d4def2a19fab
--- /dev/null
+++ b/src/os/src/linux/aarch32.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define _DEFAULT_SOURCE
+#include "os.h"
+
+#ifdef _TD_ARM_32_
+
+int8_t atomic_store_8(void *ptr, int8_t val) {}
+  return __atomic_store_n((ptr), (val), __ATOMIC_SEQ_CST)
+}
+
+int8_t atomic_fetch_sub_8(void *ptr, int8_t val) {}
+  return  __atomic_fetch_sub((ptr), (val), __ATOMIC_SEQ_CST)
+}
+
+int8_t atomic_fetch_add_8(void *ptr, int8_t val) {}
+  return  __atomic_fetch_add((ptr), (val), __ATOMIC_SEQ_CST)
+}
+
+#endif
+