1 /*
2 * Copyright (c) 1994, 2003, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 /*-
27 * Stuff for dealing with threads.
28 * originally in threadruntime.c, Sun Sep 22 12:09:39 1991
29 */
30
31 #include "jni.h"
32 #include "jvm.h"
33
34
35 #define THD "Ljava/lang/Thread;"
36 #define OBJ "Ljava/lang/Object;"
37 #define STE "Ljava/lang/StackTraceElement;"
38 #define STR "Ljava/lang/String;"
39 #include "JNIHelp.h"
40
41 #define ARRAY_LENGTH(a) (sizeof(a)/sizeof(a[0]))
42
43 static JNINativeMethod methods[] = {
44 {"start0", "(JZ)V", (void *)&JVM_StartThread},
45 {"setPriority0", "(I)V", (void *)&JVM_SetThreadPriority},
46 {"yield", "()V", (void *)&JVM_Yield},
47 {"sleep", "(Ljava/lang/Object;J)V", (void *)&JVM_Sleep},
48 {"currentThread", "()" THD, (void *)&JVM_CurrentThread},
49 {"interrupt0", "()V", (void *)&JVM_Interrupt},
50 {"isInterrupted", "(Z)Z", (void *)&JVM_IsInterrupted},
51 {"holdsLock", "(" OBJ ")Z", (void *)&JVM_HoldsLock},
52 {"setNativeName", "(" STR ")V", (void *)&JVM_SetNativeThreadName},
53 };
54
55 #undef THD
56 #undef OBJ
57 #undef STE
58 #undef STR
59
register_java_lang_Thread(JNIEnv * env)60 void register_java_lang_Thread(JNIEnv* env) {
61 jclass cls = (*env)->FindClass(env, "java/lang/Thread");
62 (*env)->RegisterNatives(env, cls, methods, ARRAY_LENGTH(methods));
63 }
64