diff --git a/porting/linux/user/src/hilog/hilog_adapter.c b/porting/linux/user/src/hilog/hilog_adapter.c
index 4a203caa08c7a9e4187c9f0754b32d15732ed33d..b4a28cbaf03772ec8b0b89faa1bcd6ad12a006b3 100644
--- a/porting/linux/user/src/hilog/hilog_adapter.c
+++ b/porting/linux/user/src/hilog/hilog_adapter.c
@@ -91,7 +91,8 @@ static int SendMessage(HilogMsg *header, const char *tag, uint16_t tagLen, const
     return ret;
 }
 
-static int HiLogAdapterPrintArgs(
+HILOG_LOCAL_API
+int HiLogAdapterPrintArgs(
     const LogType type, const LogLevel level, const unsigned int domain, const char *tag, const char *fmt, va_list ap)
 {
     char buf[MAX_LOG_LEN] = {0};
@@ -112,6 +113,7 @@ static int HiLogAdapterPrintArgs(
     return SendMessage(&header, tag, tagLen + 1, buf, logLen + 1);
 }
 
+HILOG_LOCAL_API
 int HiLogAdapterPrint(LogType type, LogLevel level, unsigned int domain, const char *tag, const char *fmt, ...)
 {
     if (!HiLogAdapterIsLoggable(domain, tag, level)) {
diff --git a/porting/linux/user/src/hilog/vsnprintf_s_p.c b/porting/linux/user/src/hilog/vsnprintf_s_p.c
index 6677407a6ed5afe170e15efca8febc3830a5b86b..6699b4cc082f439072010886936590f253672f53 100644
--- a/porting/linux/user/src/hilog/vsnprintf_s_p.c
+++ b/porting/linux/user/src/hilog/vsnprintf_s_p.c
@@ -20,6 +20,8 @@
 #include <stdio.h>
 
 #include "malloc_impl.h"
+/* Do not malloc in vsnprintf, thus the log api can be called inside signal handler*/
+#define HILOG_PROHIBIT_ALLOCATION
 
 /* Define the max length of the string */
 #ifndef SECUREC_STRING_MAX_LEN
@@ -137,8 +139,8 @@ typedef enum {
 #endif
 
 #else
-#define SECUREC_MALLOC(x) (nullptr)
-#define SECUREC_FREE(x)   { printf("Malloc is not allowed, so free should not be possible to execute!"); std::abort(); }
+#define SECUREC_MALLOC(x) (NULL)
+#define SECUREC_FREE(x) {}
 #endif
 
 #if (defined(_WIN32) || defined(_WIN64) || defined(_MSC_VER)) || defined(__ARMCC_VERSION)