1 /*
2 * Copyright (c) 2004, 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 <stdlib.h>
25 #include <string.h>
26 #include "jni_tools.h"
27 #include "agent_common.h"
28 #include "jvmti_tools.h"
29
30 #define PASSED 0
31 #define STATUS_FAILED 2
32
33 extern "C" {
34
35 /* ========================================================================== */
36
37 /* scaffold objects */
38 static jlong timeout = 0;
39
40 /* test objects */
41 static jobject threadDeath = NULL;
42 static jthread threadForStop = NULL;
43 static jthread threadForInterrupt = NULL;
44
45 /* ========================================================================== */
46
47 static int prepare(jvmtiEnv* jvmti, JNIEnv* jni) {
48 const char* STOP_THREAD_NAME = "DebuggeeThreadForStop";
49 const char* INTERRUPT_THREAD_NAME = "DebuggeeThreadForInterrupt";
50 const char* THREAD_DEATH_CLASS_NAME = "java/lang/ThreadDeath";
51 const char* THREAD_DEATH_CTOR_NAME = "<init>";
52 const char* THREAD_DEATH_CTOR_SIGNATURE = "()V";
53 jvmtiThreadInfo info;
54 jthread *threads = NULL;
55 jint threads_count = 0;
56 jclass cls = NULL;
57 jmethodID ctor = NULL;
58 int i;
59
60 NSK_DISPLAY0("Prepare: find tested thread\n");
61
62 /* get all live threads */
63 if (!NSK_JVMTI_VERIFY(
64 NSK_CPP_STUB3(GetAllThreads, jvmti, &threads_count, &threads)))
65 return NSK_FALSE;
66
67 if (!NSK_VERIFY(threads_count > 0 && threads != NULL))
68 return NSK_FALSE;
69
70 /* find tested thread */
71 for (i = 0; i < threads_count; i++) {
72 if (!NSK_VERIFY(threads[i] != NULL))
73 return NSK_FALSE;
74
75 /* get thread information */
76 if (!NSK_JVMTI_VERIFY(
77 NSK_CPP_STUB3(GetThreadInfo, jvmti, threads[i], &info)))
78 return NSK_FALSE;
79
80 NSK_DISPLAY3(" thread #%d (%s): %p\n", i, info.name, threads[i]);
81
82 /* find by name */
83 if (info.name != NULL) {
84 if (strcmp(info.name, STOP_THREAD_NAME) == 0) {
85 threadForStop = threads[i];
86 } else if (strcmp(info.name, INTERRUPT_THREAD_NAME) == 0) {
87 threadForInterrupt = threads[i];
88 }
89 }
90 }
91
92 /* deallocate threads list */
93 if (!NSK_JVMTI_VERIFY(
94 NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)threads)))
95 return NSK_FALSE;
96
97 if (threadForStop == NULL) {
98 NSK_COMPLAIN0("DebuggeeThreadForStop not found");
99 return NSK_FALSE;
100 }
101
102 if (threadForInterrupt == NULL) {
103 NSK_COMPLAIN0("DebuggeeThreadForInterrupt not found");
104 return NSK_FALSE;
105 }
106
107 NSK_DISPLAY0("Prepare: create new instance of ThreadDeath exception\n");
108
109 if (!NSK_JNI_VERIFY(jni, (cls =
110 NSK_CPP_STUB2(FindClass, jni, THREAD_DEATH_CLASS_NAME)) != NULL))
111 return NSK_FALSE;
112
113 if (!NSK_JNI_VERIFY(jni, (ctor =
114 NSK_CPP_STUB4(GetMethodID, jni, cls,
115 THREAD_DEATH_CTOR_NAME, THREAD_DEATH_CTOR_SIGNATURE)) != NULL))
116 return NSK_FALSE;
117
118 if (!NSK_JNI_VERIFY(jni, (threadDeath =
119 NSK_CPP_STUB3(NewObject, jni, cls, ctor)) != NULL))
120 return NSK_FALSE;
121
122 return NSK_TRUE;
123 }
124
125 /* ========================================================================== */
126
127 /** Agent algorithm. */
128 static void JNICALL
129 agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
130
131 if (!nsk_jvmti_waitForSync(timeout))
132 return;
133
134 if (!prepare(jvmti, jni)) {
135 nsk_jvmti_setFailStatus();
136 return;
137 }
138
139 NSK_DISPLAY0("Testcase #1: call StopThread\n");
140 if (!NSK_VERIFY(threadForStop != NULL)) {
141 nsk_jvmti_setFailStatus();
142 } else {
143 if (!NSK_JVMTI_VERIFY(
144 NSK_CPP_STUB3(StopThread, jvmti, threadForStop, threadDeath)))
145 nsk_jvmti_setFailStatus();
146 }
147
148 NSK_DISPLAY0("Testcase #2: call InterruptThread\n");
149 if (!NSK_VERIFY(threadForInterrupt != NULL)) {
150 nsk_jvmti_setFailStatus();
151 } else {
152 if (!NSK_JVMTI_VERIFY(
153 NSK_CPP_STUB2(InterruptThread, jvmti, threadForInterrupt)))
154 nsk_jvmti_setFailStatus();
155 }
156
157 /* resume debugee and wait for sync */
158 if (!nsk_jvmti_resumeSync())
159 return;
160 if (!nsk_jvmti_waitForSync(timeout))
161 return;
162
163 if (!nsk_jvmti_resumeSync())
164 return;
165 }
166
167 /* ========================================================================== */
168
169 /** Agent library initialization. */
170 #ifdef STATIC_BUILD
171 JNIEXPORT jint JNICALL Agent_OnLoad_ma08t001(JavaVM *jvm, char *options, void *reserved) {
172 return Agent_Initialize(jvm, options, reserved);
173 }
174 JNIEXPORT jint JNICALL Agent_OnAttach_ma08t001(JavaVM *jvm, char *options, void *reserved) {
175 return Agent_Initialize(jvm, options, reserved);
176 }
177 JNIEXPORT jint JNI_OnLoad_ma08t001(JavaVM *jvm, char *options, void *reserved) {
178 return JNI_VERSION_1_8;
179 }
180 #endif
181 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
182 jvmtiEnv* jvmti = NULL;
183 jvmtiCapabilities caps;
184 jvmtiEventCallbacks callbacks;
185
186 NSK_DISPLAY0("Agent_OnLoad\n");
187
188 if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
189 return JNI_ERR;
190
191 timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
192
193 if (!NSK_VERIFY((jvmti =
194 nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
195 return JNI_ERR;
196
197 if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
198 return JNI_ERR;
199
200 memset(&caps, 0, sizeof(caps));
201 caps.can_signal_thread = 1;
202 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, jvmti, &caps))) {
203 return JNI_ERR;
204 }
205
206 memset(&callbacks, 0, sizeof(callbacks));
207 if (!NSK_VERIFY(nsk_jvmti_init_MA(&callbacks)))
208 return JNI_ERR;
209
210 return JNI_OK;
211 }
212
213 /* ========================================================================== */
214
215 }