51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
|
|
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
|
|
* Copyright (c) 2021, BELLSOFT. 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 <stdio.h>
|
|
#include "jni.h"
|
|
|
|
/*
|
|
* Native library that loads an arbitrary class from a (signed) jar.
|
|
* This triggers the search in jars, and the lock in ZipFile is acquired
|
|
* as a result.
|
|
*/
|
|
JNIEXPORT jint JNICALL
|
|
JNI_OnLoad(JavaVM *vm, void *reserved)
|
|
{
|
|
JNIEnv *env;
|
|
jclass cl;
|
|
|
|
printf("Native library loaded.\n");
|
|
fflush(stdout);
|
|
|
|
if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_2) != JNI_OK) {
|
|
return JNI_EVERSION; /* JNI version not supported */
|
|
}
|
|
|
|
// find any class which triggers the search in jars
|
|
cl = (*env)->FindClass(env, "p/Class2");
|
|
|
|
return JNI_VERSION_1_2;
|
|
}
|