1 /*
 2  * Copyright (c) 2018, 2024, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 
27 #include "jni.h"
28 #include "jvm.h"
29 #include "java_lang_VirtualThread.h"
30 
31 #define THREAD "Ljava/lang/Thread;"
32 #define VIRTUAL_THREAD  "Ljava/lang/VirtualThread;"
33 
34 static JNINativeMethod methods[] = {
35     { "notifyJvmtiStart",          "()V",  (void *)&JVM_VirtualThreadStart },
36     { "notifyJvmtiEnd",            "()V",  (void *)&JVM_VirtualThreadEnd },
37     { "notifyJvmtiMount",          "(Z)V", (void *)&JVM_VirtualThreadMount },
38     { "notifyJvmtiUnmount",        "(Z)V", (void *)&JVM_VirtualThreadUnmount },
39     { "notifyJvmtiHideFrames",     "(Z)V", (void *)&JVM_VirtualThreadHideFrames },
40     { "notifyJvmtiDisableSuspend", "(Z)V", (void *)&JVM_VirtualThreadDisableSuspend },
41     { "takeVirtualThreadListToUnblock", "()" VIRTUAL_THREAD, (void *)&JVM_TakeVirtualThreadListToUnblock},
42 };
43 
44 JNIEXPORT void JNICALL
45 Java_java_lang_VirtualThread_registerNatives(JNIEnv *env, jclass clazz) {
46     (*env)->RegisterNatives(env, clazz, methods, (sizeof(methods)/sizeof(methods[0])));
47 }
48 
49 JNIEXPORT void JNICALL
50 Java_java_lang_VirtualThread_virtualThreadPinnedEvent(JNIEnv *env, jclass ignored,
51                                                       jint reasonCode, jstring reasonString)
52 {
53     JVM_VirtualThreadPinnedEvent(reasonCode, reasonString);
54 }