Home | History | Annotate | Download | only in native 
      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 
     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