jdk-24/test/jdk/java/lang/management/ThreadMXBean/libLockedMonitorInNative.c
Alan Bateman 6e228ce382 8336254: Virtual thread implementation + test updates
Reviewed-by: sspitsyn, kevinw
2024-07-25 04:59:01 +00:00

44 lines
1.8 KiB
C

/*
* Copyright (c) 2024, 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
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*/
#include "jni.h"
JNIEXPORT void JNICALL
Java_LockedMonitorInNative_runWithSynchronizedNative(JNIEnv *env, jobject obj, jobject task) {
jclass clazz = (*env)->GetObjectClass(env, obj);
jmethodID mid = (*env)->GetMethodID(env, clazz, "run", "(Ljava/lang/Runnable;)V");
if (mid != NULL) {
(*env)->CallVoidMethod(env, obj, mid, task);
}
}
JNIEXPORT void JNICALL
Java_LockedMonitorInNative_runWithMonitorEnteredInNative(JNIEnv *env, jobject obj, jobject lock, jobject task) {
jclass clazz = (*env)->GetObjectClass(env, obj);
jmethodID mid = (*env)->GetMethodID(env, clazz, "run", "(Ljava/lang/Runnable;)V");
if (mid != NULL && (*env)->MonitorEnter(env, lock) == 0) {
(*env)->CallVoidMethod(env, obj, mid, task);
(*env)->MonitorExit(env, lock); // can be called with pending exception
}
}