1 /*
2 * Copyright (c) 2003, 2018, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <jvmti.h>
28 #include "agent_common.h"
29
30 #include "nsk_tools.h"
31 #include "JVMTITools.h"
32 #include "jvmti_tools.h"
33
34 extern "C" {
35
36 #define STATUS_FAILED 2
37 #define PASSED 0
38
39 #define MEM_SIZE 1024
40
41 static jvmtiEnv *jvmti = NULL;
42 static jvmtiEventCallbacks callbacks;
43 static jvmtiCapabilities caps;
44
45 static volatile jint result = PASSED;
46 static volatile int gcstart = 0;
47 unsigned char *mem;
48
49 static void rawMonitorFunc(jvmtiEnv *jvmti_env, const char *msg) {
50 jrawMonitorID _lock;
51
52 NSK_DISPLAY1("%s: creating a raw monitor ...\n",
53 msg);
54 if (!NSK_JVMTI_VERIFY(jvmti_env->CreateRawMonitor("_lock", &_lock))) {
55 result = STATUS_FAILED;
56 NSK_COMPLAIN1("TEST FAILED: %s: unable to create a raw monitor\n\n",
57 msg);
58 return;
59 }
60 NSK_DISPLAY1("CHECK PASSED: %s: raw monitor created\n",
61 msg);
62
63 NSK_DISPLAY1("%s: entering the raw monitor ...\n",
64 msg);
65 if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorEnter(_lock))) {
66 result = STATUS_FAILED;
67 NSK_COMPLAIN1("TEST FAILED: %s: unable to enter the raw monitor\n\n",
68 msg);
69 }
70 else {
71 NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor entered\n",
72 msg);
73
74 NSK_DISPLAY1("%s: waiting the raw monitor ...\n",
75 msg);
76 if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorWait(_lock, (jlong)10))) {
77 result = STATUS_FAILED;
78 NSK_COMPLAIN1("TEST FAILED: %s: unable to wait the raw monitor\n\n",
79 msg);
80 }
81 NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor waited\n",
82 msg);
83
84
85 NSK_DISPLAY1("%s: notifying a single thread waiting on the raw monitor ...\n",
86 msg);
87 if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorNotify(_lock))) {
88 result = STATUS_FAILED;
89 NSK_COMPLAIN1("TEST FAILED: %s: unable to notify single thread\n\n",
90 msg);
91 }
92 NSK_DISPLAY1("CHECK PASSED: %s: single thread notified\n",
93 msg);
94
95
96 NSK_DISPLAY1("%s: notifying all threads waiting on the raw monitor ...\n",
97 msg);
98 if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorNotifyAll(_lock))) {
99 result = STATUS_FAILED;
100 NSK_COMPLAIN1("TEST FAILED: %s: unable to notify all threads\n\n",
101 msg);
102 }
103 NSK_DISPLAY1("CHECK PASSED: %s: all threads notified\n",
104 msg);
105
106
107 NSK_DISPLAY1("%s: exiting the raw monitor ...\n",
108 msg);
109 if (!NSK_JVMTI_VERIFY(jvmti_env->RawMonitorExit(_lock))) {
110 result = STATUS_FAILED;
111 NSK_COMPLAIN1("TEST FAILED: %s: unable to exit the raw monitor\n\n",
112 msg);
113 }
114 NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor exited\n",
115 msg);
116 }
117
118 NSK_DISPLAY1("%s: destroying the raw monitor ...\n",
119 msg);
120 if (!NSK_JVMTI_VERIFY(jvmti_env->DestroyRawMonitor(_lock))) {
121 result = STATUS_FAILED;
122 NSK_COMPLAIN1("TEST FAILED: %s: unable to destroy a raw monitor\n",
123 msg);
124 return;
125 }
126 NSK_DISPLAY1("CHECK PASSED: %s: the raw monitor destroyed\n",
127 msg);
128 }
129
130 static void memoryFunc(jvmtiEnv *jvmti_env, const char *msg) {
131 NSK_DISPLAY1("%s: allocating memory ...\n",
132 msg);
133 if (!NSK_JVMTI_VERIFY(jvmti_env->Allocate(MEM_SIZE, &mem))) {
134 result = STATUS_FAILED;
135 NSK_COMPLAIN1("TEST FAILED: %s: unable to allocate memory\n\n",
136 msg);
137 return;
138 }
139 else
140 NSK_DISPLAY1("CHECK PASSED: %s: memory has been allocated successfully\n",
141 msg);
142
143 NSK_DISPLAY1("%s: deallocating memory ...\n",
144 msg);
145 if (!NSK_JVMTI_VERIFY(jvmti_env->Deallocate(mem))) {
146 result = STATUS_FAILED;
147 NSK_COMPLAIN1("TEST FAILED: %s: unable to deallocate memory\n\n",
148 msg);
149 }
150 else
151 NSK_DISPLAY1("CHECK PASSED: %s: memory has been deallocated successfully\n\n",
152 msg);
153 }
154
155 /** callback functions **/
156 void JNICALL
157 GarbageCollectionFinish(jvmtiEnv *jvmti_env) {
158 gcstart++;
159 NSK_DISPLAY1(">>>> GarbageCollectionFinish event #%d received\n",
160 gcstart);
161
162 rawMonitorFunc(jvmti_env, "GarbageCollectionFinish");
163
164 memoryFunc(jvmti_env, "GarbageCollectionFinish");
165
166 NSK_DISPLAY0("<<<<\n\n");
167 }
168
169 void JNICALL
170 VMDeath(jvmtiEnv *jvmti_env, JNIEnv *env) {
171 NSK_DISPLAY0("VMDeath event received\n");
172
173 if (result == STATUS_FAILED)
174 exit(95 + STATUS_FAILED);
175 }
176
177 /************************/
178
179 #ifdef STATIC_BUILD
180 JNIEXPORT jint JNICALL Agent_OnLoad_gcfinish001(JavaVM *jvm, char *options, void *reserved) {
181 return Agent_Initialize(jvm, options, reserved);
182 }
183 JNIEXPORT jint JNICALL Agent_OnAttach_gcfinish001(JavaVM *jvm, char *options, void *reserved) {
184 return Agent_Initialize(jvm, options, reserved);
185 }
186 JNIEXPORT jint JNI_OnLoad_gcfinish001(JavaVM *jvm, char *options, void *reserved) {
187 return JNI_VERSION_1_8;
188 }
189 #endif
190 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
191 /* init framework and parse options */
192 if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
193 return JNI_ERR;
194
195 /* create JVMTI environment */
196 if (!NSK_VERIFY((jvmti =
197 nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
198 return JNI_ERR;
199
200 /* add capability to generate compiled method events */
201 memset(&caps, 0, sizeof(jvmtiCapabilities));
202 caps.can_generate_garbage_collection_events = 1;
203 if (!NSK_JVMTI_VERIFY(jvmti->AddCapabilities(&caps)))
204 return JNI_ERR;
205
206 if (!NSK_JVMTI_VERIFY(jvmti->GetCapabilities(&caps)))
207 return JNI_ERR;
208
209 if (!caps.can_generate_garbage_collection_events)
210 NSK_DISPLAY0("Warning: generation of garbage collection events is not implemented\n");
211
212 /* set event callback */
213 NSK_DISPLAY0("setting event callbacks ...\n");
214 (void) memset(&callbacks, 0, sizeof(callbacks));
215 callbacks.VMDeath = &VMDeath;
216 callbacks.GarbageCollectionFinish = &GarbageCollectionFinish;
217 if (!NSK_JVMTI_VERIFY(jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks))))
218 return JNI_ERR;
219
220 NSK_DISPLAY0("setting event callbacks done\nenabling JVMTI events ...\n");
221 if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_VM_DEATH, NULL)))
222 return JNI_ERR;
223 if (!NSK_JVMTI_VERIFY(jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_GARBAGE_COLLECTION_FINISH, NULL)))
224 return JNI_ERR;
225 NSK_DISPLAY0("enabling the events done\n\n");
226
227 return JNI_OK;
228 }
229
230 }