1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
* Copyright (c) 2018, 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 <stdlib.h>
#include <pthread.h>
#include <string.h>
#include "jni.h"
#include "jni_util.h"
JavaVM* jvm;
jobject nativeThread;
static void * thread_start(void* unused) {
JNIEnv *env;
jclass class_id;
jmethodID method_id;
int res;
printf("Native thread is running and attaching as daemon ...\n");
res = (*jvm)->AttachCurrentThreadAsDaemon(jvm, (void **)&env, NULL);
if (res != JNI_OK) {
fprintf(stderr, "Test ERROR. Can't attach current thread: %d\n", res);
exit(1);
}
class_id = (*env)->FindClass (env, "java/lang/Thread");
if (class_id == NULL) {
fprintf(stderr, "Test ERROR. Can't load class Thread\n");
exit(1);
}
method_id = (*env)->GetStaticMethodID(env, class_id, "currentThread",
"()Ljava/lang/Thread;");
if (method_id == NULL) {
fprintf(stderr, "Test ERROR. Can't find method currentThread\n");
exit(1);
}
nativeThread = (*env)->CallStaticObjectMethod(env, class_id, method_id, NULL);
if ((*env)->ExceptionOccurred(env) != NULL) {
(*env)->ExceptionDescribe(env);
exit(1);
}
printf("Native thread terminating\n");
return NULL;
}
JNIEXPORT jobject JNICALL
Java_TestTerminatedThread_createTerminatedThread
(JNIEnv *env, jclass cls) {
pthread_t thread;
int res = (*env)->GetJavaVM(env, &jvm);
if (res != JNI_OK) {
fprintf(stderr, "Test ERROR. Can't extract JavaVM: %d\n", res);
exit(1);
}
if ((res = pthread_create(&thread, NULL, thread_start, NULL)) != 0) {
fprintf(stderr, "TEST ERROR: pthread_create failed: %s (%d)\n", strerror(res), res);
exit(1);
}
if ((res = pthread_join(thread, NULL)) != 0) {
fprintf(stderr, "TEST ERROR: pthread_join failed: %s (%d)\n", strerror(res), res);
exit(1);
}
return nativeThread;
}
|
