8188055: (ref) Add Reference::refersTo predicate

Reviewed-by: mchung, pliden, rriggs, dholmes, ihse, smarks, alanb
This commit is contained in:
Kim Barrett 2020-11-04 09:18:23 +00:00
parent ab9192e463
commit 6023f6b1bf
13 changed files with 501 additions and 13 deletions

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@ -0,0 +1,33 @@
/*
* Copyright (c) 2020, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 "jvm.h"
#include "java_lang_ref_PhantomReference.h"
JNIEXPORT jboolean JNICALL
Java_java_lang_ref_PhantomReference_refersTo0(JNIEnv *env, jobject ref, jobject o)
{
return JVM_PhantomReferenceRefersTo(env, ref, o);
}

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@ -1,5 +1,5 @@
/*
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2016, 2020, 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
@ -43,3 +43,9 @@ Java_java_lang_ref_Reference_waitForReferencePendingList(JNIEnv *env, jclass ign
{
JVM_WaitForReferencePendingList(env);
}
JNIEXPORT jboolean JNICALL
Java_java_lang_ref_Reference_refersTo0(JNIEnv *env, jobject ref, jobject o)
{
return JVM_ReferenceRefersTo(env, ref, o);
}