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/*
* Copyright (c) 2003, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include <stdio.h>
#include <string.h>
#include "jvmti.h"
#include "jni_tools.hpp"
#include "agent_common.hpp"
#include "JVMTITools.hpp"
extern "C" {
#define PASSED 0
#define STATUS_FAILED 2
static jvmtiEnv *jvmti;
static jvmtiCapabilities caps;
static jint result = PASSED;
static jvmtiError intrpthrd_err = JVMTI_ERROR_NONE;
#ifdef STATIC_BUILD
JNIEXPORT jint JNICALL Agent_OnLoad_intrpthrd003(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNICALL Agent_OnAttach_intrpthrd003(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNI_OnLoad_intrpthrd003(JavaVM *jvm, char *options, void *reserved) {
return JNI_VERSION_1_8;
}
#endif
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
jint res;
jvmtiError err;
res = jvm->GetEnv((void **) &jvmti, JVMTI_VERSION_1_1);
if (res != JNI_OK || jvmti == nullptr) {
printf("Wrong result of a valid call to GetEnv!\n");
return JNI_ERR;
}
err = jvmti->GetPotentialCapabilities(&caps);
if (err != JVMTI_ERROR_NONE) {
printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n",
TranslateError(err), err);
return JNI_ERR;
}
err = jvmti->AddCapabilities(&caps);
if (err != JVMTI_ERROR_NONE) {
printf("(AddCapabilities) unexpected error: %s (%d)\n",
TranslateError(err), err);
return JNI_ERR;
}
err = jvmti->GetCapabilities(&caps);
if (err != JVMTI_ERROR_NONE) {
printf("(GetCapabilities) unexpected error: %s (%d)\n",
TranslateError(err), err);
return JNI_ERR;
}
if (!caps.can_signal_thread) {
printf("Warning: InterruptThread is not implemented\n");
}
return JNI_OK;
}
JNIEXPORT jint JNICALL
Java_nsk_jvmti_InterruptThread_intrpthrd003_check (JNIEnv *env, jobject oobj,
jlong ind, jthread thr) {
intrpthrd_err = jvmti->InterruptThread(thr);
if (intrpthrd_err == JVMTI_ERROR_MUST_POSSESS_CAPABILITY &&
!caps.can_signal_thread) {
/* It is OK */
} else {
switch (intrpthrd_err) {
case JVMTI_ERROR_NONE:
case JVMTI_ERROR_THREAD_NOT_ALIVE:
break;
default:
printf("(thr#%" LL "d) error expected: JVMTI_ERROR_NONE or JVMTI_ERROR_THREAD_NOT_ALIVE,", ind);
printf(" got: %s (%d)\n", TranslateError(intrpthrd_err), intrpthrd_err);
result = STATUS_FAILED;
break;
}
}
return result;
}
JNIEXPORT jint JNICALL
Java_nsk_jvmti_InterruptThread_intrpthrd003_getResult (JNIEnv *env, jclass cls) {
return result;
}
JNIEXPORT jboolean JNICALL
Java_nsk_jvmti_InterruptThread_intrpthrd003_isThreadNotAliveError(JNIEnv *env, jclass cls) {
if (intrpthrd_err == JVMTI_ERROR_THREAD_NOT_ALIVE) {
return JNI_TRUE;
}
return JNI_FALSE;
}
}
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