50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
/*
|
|
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code 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. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*
|
|
*/
|
|
|
|
#include "jni.h"
|
|
#include <thread>
|
|
|
|
jobject res;
|
|
|
|
jobject call(JavaVM *jvm) {
|
|
JNIEnv* env;
|
|
jvm->AttachCurrentThread((void**)&env, NULL);
|
|
jclass symbolLookupClass = env->FindClass("java/lang/foreign/SymbolLookup");
|
|
jmethodID loaderLookupMethod = env->GetStaticMethodID(symbolLookupClass, "loaderLookup", "()Ljava/lang/foreign/SymbolLookup;");
|
|
res = env->NewGlobalRef(env->CallStaticObjectMethod(symbolLookupClass, loaderLookupMethod));
|
|
jvm->DetachCurrentThread();
|
|
return res;
|
|
}
|
|
|
|
extern "C" {
|
|
JNIEXPORT jobject JNICALL
|
|
Java_TestLoaderLookupJNI_loaderLookup0(JNIEnv *env, jclass cls) {
|
|
JavaVM* jvm;
|
|
env->GetJavaVM(&jvm);
|
|
std::thread thrd(call, jvm);
|
|
thrd.join();
|
|
return res;
|
|
}
|
|
}
|