jdk-24/test/hotspot/jtreg/serviceability/jvmti/vthread/GetThreadState/libGetThreadStateTest.c

52 lines
1.8 KiB
C

/*
* Copyright (c) 2023, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "jni.h"
#include "jvmti.h"
static jvmtiEnv *jvmti;
JNIEXPORT void JNICALL Java_GetThreadStateTest_init(JNIEnv *env, jclass clazz) {
JavaVM* vm;
jint res;
res = (*env)->GetJavaVM(env, &vm);
if (res != 0) {
(*env)->FatalError(env, "GetJavaVM failed");
} else {
res = (*vm)->GetEnv(vm, (void**)&jvmti, JVMTI_VERSION);
if (res != JNI_OK) {
(*env)->FatalError(env, "GetEnv failed");
}
}
}
JNIEXPORT jint JNICALL Java_GetThreadStateTest_jvmtiState(JNIEnv *env, jclass clazz, jobject thread) {
jvmtiError err;
jint state = 0;
err = (*jvmti)->GetThreadState(jvmti, thread, &state);
if (err != JVMTI_ERROR_NONE) {
(*env)->FatalError(env, "GetThreadState failed");
}
return state;
}