Vladimir Ivanov e72bfe15ad 8223213: Implement fast class initialization checks on x86-64
Reviewed-by: kvn, redestad, dholmes, mdoerr, coleenp
2019-05-30 13:39:13 +03:00

43 lines
1.6 KiB
C++

/*
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* 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
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*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include <jni.h>
static jmethodID methodId;
extern "C" {
JNIEXPORT jboolean JNICALL Java_ClassInitBarrier_init(JNIEnv* env, jclass cls) {
jclass runnable = env->FindClass("java/lang/Runnable");
if (runnable == NULL) return JNI_FALSE;
methodId = env->GetMethodID(runnable, "run", "()V");
if (methodId == NULL) return JNI_FALSE;
return JNI_TRUE;
}
JNIEXPORT void JNICALL Java_ClassInitBarrier_00024Test_00024A_staticN(JNIEnv* env, jclass cls, jobject action) {
env->CallVoidMethod(action, methodId);
}
}