219 lines
7.3 KiB
C
219 lines
7.3 KiB
C
/*
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* Copyright (c) 2006, 2018, 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 <stdlib.h>
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#include "nsk_tools.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef JNI_ENV_PTR
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#ifdef __cplusplus
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#define JNI_ENV_ARG_2(x, y) y
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#define JNI_ENV_ARG_3(x, y, z) y, z
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#define JNI_ENV_ARG_4(x, y, z, a) y, z, a
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#define JNI_ENV_PTR(x) x
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#else
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#define JNI_ENV_ARG_2(x,y) x, y
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#define JNI_ENV_ARG_3(x, y, z) x, y, z
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#define JNI_ENV_ARG_4(x, y, z, a) x, y, z, a
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#define JNI_ENV_PTR(x) (*x)
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#endif
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#endif
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static jobject* globalReferences = NULL;
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static jweak* weakReferences = NULL;
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JNIEXPORT jint JNICALL
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Java_nsk_share_ReferringObject_createJNIGlobalReferenceNative(JNIEnv *env,
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jobject thisObject, jobject object, jint maxJNIGlobalReferences)
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{
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jint i;
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jint result = -1;
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if(globalReferences == NULL)
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{
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globalReferences = (jobject*)malloc(sizeof(jobject) * maxJNIGlobalReferences);
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if(globalReferences == NULL)
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{
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NSK_COMPLAIN0("malloc return NULL\n");
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return -1;
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}
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for(i = 0; i < maxJNIGlobalReferences; i++)
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{
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globalReferences[i] = NULL;
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}
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}
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for(i = 0; i < maxJNIGlobalReferences; i++)
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{
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jobject reference = globalReferences[i];
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if(reference == NULL)
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{
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reference = JNI_ENV_PTR(env)->NewGlobalRef(JNI_ENV_ARG_2(env, object));
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if(reference == NULL)
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{
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NSK_COMPLAIN0("NewGlobalRef return NULL\n");
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JNI_ENV_PTR(env)->ThrowNew(JNI_ENV_ARG_3(env, JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG_2(env, "nsk/share/TestJNIError")), "NewGlobalRef return NULL"));
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}
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globalReferences[i] = reference;
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result = i;
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break;
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}
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}
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return result;
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}
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JNIEXPORT void JNICALL
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Java_nsk_share_ReferringObject_deleteJNIGlobalReferenceNative(JNIEnv *env,
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jobject thisObject, jint index)
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{
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jobject reference = globalReferences[index];
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if(reference == NULL)
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{
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NSK_COMPLAIN1("globalReferences[%d] = NULL, possible wrong index is passed\n", index);
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JNI_ENV_PTR(env)->ThrowNew(JNI_ENV_ARG_3(env, JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG_2(env, "nsk/share/TestBug")), "Requested globalReferences[] element is NULL, possible wrong index is passed"));
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}
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JNI_ENV_PTR(env)->DeleteGlobalRef(JNI_ENV_ARG_2(env, reference));
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globalReferences[index] = NULL;
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}
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JNIEXPORT void JNICALL
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Java_nsk_share_ReferringObject_createJNILocalReferenceNative(JNIEnv *env,
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jobject thisObject, jobject object, jobject createWicket, jobject deleteWicket)
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{
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jobject reference = JNI_ENV_PTR(env)->NewLocalRef(JNI_ENV_ARG_2(env, object));
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jclass klass;
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if(reference == NULL)
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{
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NSK_COMPLAIN0("NewLocalRef return NULL\n");
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JNI_ENV_PTR(env)->ThrowNew(JNI_ENV_ARG_3(env, JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG_2(env, "nsk/share/TestJNIError")), "NewLocalRef return NULL"));
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}
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klass = JNI_ENV_PTR(env)->GetObjectClass(JNI_ENV_ARG_2(env, createWicket));
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// notify another thread that JNI local reference has been created
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JNI_ENV_PTR(env)->CallVoidMethod(JNI_ENV_ARG_3(env, createWicket, JNI_ENV_PTR(env)->GetMethodID(JNI_ENV_ARG_4(env, klass, "unlock", "()V"))));
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// wait till JNI local reference can be released (it will heppen then we will leave the method)
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JNI_ENV_PTR(env)->CallVoidMethod(JNI_ENV_ARG_3(env, deleteWicket, JNI_ENV_PTR(env)->GetMethodID(JNI_ENV_ARG_4(env, klass, "waitFor", "()V"))));
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}
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JNIEXPORT jint JNICALL
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Java_nsk_share_ReferringObject_createJNIWeakReferenceNative(JNIEnv *env,
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jobject thisObject, jobject object, jint maxJNIWeakReferences)
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{
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jint i;
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jint result = -1;
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if(weakReferences == NULL)
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{
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weakReferences = (jweak*)malloc(sizeof(jweak) * maxJNIWeakReferences);
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if(weakReferences == NULL)
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{
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NSK_COMPLAIN0("malloc return NULL\n");
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return -1;
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}
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for(i = 0; i < maxJNIWeakReferences; i++)
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{
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weakReferences[i] = NULL;
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}
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}
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for(i = 0; i < maxJNIWeakReferences; i++)
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{
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jobject reference = weakReferences[i];
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if(reference == NULL)
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{
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reference = JNI_ENV_PTR(env)->NewWeakGlobalRef(JNI_ENV_ARG_2(env, object));
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if(reference == NULL)
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{
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NSK_COMPLAIN0("NewWeakGlobalRef return NULL\n");
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JNI_ENV_PTR(env)->ThrowNew(JNI_ENV_ARG_3(env, JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG_2(env, "nsk/share/TestJNIError")), "NewWeakGlobalRef return NULL"));
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}
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weakReferences[i] = reference;
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result = i;
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break;
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}
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}
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return result;
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}
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JNIEXPORT void JNICALL
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Java_nsk_share_ReferringObject_deleteJNIWeakReferenceNative(JNIEnv *env,
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jobject thisObject, jint index)
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{
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jweak reference = weakReferences[index];
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if(reference == NULL)
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{
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NSK_COMPLAIN1("weakReferences[%d] = NULL, possible wrong index is passed\n", index);
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JNI_ENV_PTR(env)->ThrowNew(JNI_ENV_ARG_3(env, JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG_2(env, "nsk/share/TestBug")), "Requested weakReferences[] element is NULL, possible wrong index is passed"));
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}
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if(JNI_ENV_PTR(env)->IsSameObject(JNI_ENV_ARG_3(env, reference, NULL)) == JNI_TRUE)
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{
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NSK_COMPLAIN0("TEST BUG: Weak reference was collected\n");
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JNI_ENV_PTR(env)->ThrowNew(JNI_ENV_ARG_3(env, JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG_2(env, "nsk/share/TestBug")), "TEST BUG: Weak reference was collected"));
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}
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JNI_ENV_PTR(env)->DeleteWeakGlobalRef(JNI_ENV_ARG_2(env, reference));
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weakReferences[index] = NULL;
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}
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#ifdef __cplusplus
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}
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#endif
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