diff --git a/include/opencl_wrapper.h b/include/opencl_wrapper.h
index 62f6a1a..8f04b9c 100644
--- a/include/opencl_wrapper.h
+++ b/include/opencl_wrapper.h
@@ -30,6 +30,9 @@ bool LoadOpenCLLibrary(void **handle_ptr);
 bool UnLoadOpenCLLibrary(void *handle);
 bool InitOpenCL();
 
+bool InitOpenCLExtern(void **clSoHandle);
+bool UnLoadCLExtern(void *clSoHandle);
+
 // get platform id
 using clGetPlatformIDsFunc = cl_int (*)(cl_uint, cl_platform_id *, cl_uint *);
 // get platform info
diff --git a/src/opencl_wrapper.cpp b/src/opencl_wrapper.cpp
index a856e87..81cb91f 100644
--- a/src/opencl_wrapper.cpp
+++ b/src/opencl_wrapper.cpp
@@ -65,6 +65,25 @@ bool UnLoadOpenCLLibrary(void *handle)
     return true;
 }
 
+bool InitOpenCLExtern(void **clSoHandle)
+{
+    if (clSoHandle == nullptr) {
+        return false;
+    }
+    return LoadOpenCLLibrary(clSoHandle);
+}
+
+bool UnLoadCLExtern(void *clSoHandle)
+{
+    if (clSoHandle == nullptr) {
+        return false;
+    }
+    if (dlclose(clSoHandle) != 0) {
+        return false;
+    }
+    return true;
+}
+
 static bool LoadLibraryFromPath(const std::string &library_path, void **handle_ptr)
 {
     if (handle_ptr == nullptr) {