90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
/*
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* Copyright (c) 2007, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <jni.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "jnihelper.hpp"
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extern "C" {
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JNIEXPORT jboolean JNICALL
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Java_nsk_stress_jni_JNIter006_refs (JNIEnv *env, jobject jobj, jobject tobj, jint LIMIT) {
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static jobject *globRefsArray = 0;
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static int upper = 0;
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jclass clazz;
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jmethodID jmethod;
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jboolean res = JNI_FALSE;
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const char *classname = "nsk/stress/jni/JNIter006";
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const char *getmethodname = "get_i";
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const char *setmethodname = "set_i";
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const char *getsig = "()I";
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const char *setsig = "(I)V";
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const char *setdone = "halt";
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const char *setdonesig = "()V";
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int i = 0;
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if (upper >= LIMIT) {
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return JNI_TRUE;
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}
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if (upper == 0) {
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globRefsArray = (jobject*)c_malloc(env, LIMIT * sizeof(jobject));
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}
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globRefsArray[upper] = env->NewGlobalRef(tobj); CE
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if (env->IsSameObject(tobj, globRefsArray[upper])) {
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env->DeleteLocalRef(tobj); CE
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clazz = env->GetObjectClass(globRefsArray[upper]); CE
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} else {
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fprintf(stderr, "Objects are different\n");
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CHECK(env->MonitorExit(jobj));
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return res;
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}
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jmethod = env->GetStaticMethodID(clazz, setmethodname, setsig); CE
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env->CallStaticVoidMethod(clazz, jmethod, (jint)upper); CE
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CHECK(env->MonitorEnter(jobj));
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++upper;
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res = JNI_TRUE;
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CHECK(env->MonitorExit(jobj));
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/* If upper == LIMIT than flush ref's array and set */
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/* 'done' flag in JNIter006 class to JNI_TRUE */
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if (upper == LIMIT) {
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fprintf(stderr, "\n\tTotal memory allocated: %zd bytes\n",
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LIMIT * sizeof(jobject));
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clazz = env->FindClass(classname); CE
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jmethod = env->GetMethodID(clazz, setdone, setdonesig); CE
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env->CallVoidMethod(jobj, jmethod); CE
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for (i = 0; i < LIMIT; i++) {
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env->DeleteGlobalRef(globRefsArray[i]); CE
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}
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free(globRefsArray);
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}
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return res;
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}
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}
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