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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef NATIVE_LOADER_H_
     18 #define NATIVE_LOADER_H_
     19 
     20 #include "jni.h"
     21 #include <stdint.h>
     22 #include <string>
     23 #if defined(__ANDROID__)
     24 #include <android/dlext.h>
     25 #endif
     26 
     27 namespace android {
     28 
     29 __attribute__((visibility("default")))
     30 void InitializeNativeLoader();
     31 
     32 __attribute__((visibility("default")))
     33 jstring CreateClassLoaderNamespace(JNIEnv* env,
     34                                    int32_t target_sdk_version,
     35                                    jobject class_loader,
     36                                    bool is_shared,
     37                                    bool is_for_vendor,
     38                                    jstring library_path,
     39                                    jstring permitted_path);
     40 
     41 __attribute__((visibility("default")))
     42 void* OpenNativeLibrary(JNIEnv* env,
     43                         int32_t target_sdk_version,
     44                         const char* path,
     45                         jobject class_loader,
     46                         jstring library_path,
     47                         bool* needs_native_bridge,
     48                         std::string* error_msg);
     49 
     50 __attribute__((visibility("default")))
     51 bool CloseNativeLibrary(void* handle, const bool needs_native_bridge);
     52 
     53 #if defined(__ANDROID__)
     54 // Look up linker namespace by class_loader. Returns nullptr if
     55 // there is no namespace associated with the class_loader.
     56 __attribute__((visibility("default")))
     57 android_namespace_t* FindNamespaceByClassLoader(JNIEnv* env, jobject class_loader);
     58 #endif
     59 
     60 __attribute__((visibility("default")))
     61 void ResetNativeLoader();
     62 
     63 };  // namespace android
     64 
     65 #endif  // NATIVE_BRIDGE_H_
     66