nativeloader: Add CloseNativeLibrary() method
This method is called by art on UnloadNativeLibraries()
Bug: http://b/28406866
Change-Id: Ibccff93c83d6ccd3d0a1c0294a64b09281b4e05e
(cherry picked from commit 09a516bf161c5cabdaa3a67df5aa7fbac667f5f9)
diff --git a/libnativeloader/include/nativeloader/native_loader.h b/libnativeloader/include/nativeloader/native_loader.h
index 1bd3b8f..d147bb9 100644
--- a/libnativeloader/include/nativeloader/native_loader.h
+++ b/libnativeloader/include/nativeloader/native_loader.h
@@ -43,6 +43,9 @@
jobject class_loader,
jstring library_path);
+__attribute__((visibility("default")))
+bool CloseNativeLibrary(void* handle);
+
#if defined(__ANDROID__)
// Look up linker namespace by class_loader. Returns nullptr if
// there is no namespace associated with the class_loader.
diff --git a/libnativeloader/native_loader.cpp b/libnativeloader/native_loader.cpp
index e20c823..20606b9 100644
--- a/libnativeloader/native_loader.cpp
+++ b/libnativeloader/native_loader.cpp
@@ -231,6 +231,10 @@
#endif
}
+bool CloseNativeLibrary(void* handle) {
+ return dlclose(handle) == 0;
+}
+
#if defined(__ANDROID__)
android_namespace_t* FindNamespaceByClassLoader(JNIEnv* env, jobject class_loader) {
std::lock_guard<std::mutex> guard(g_namespaces_mutex);