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src/java.base/share/native/libjava/Thread.c

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   1 /*
   2  * Copyright (c) 1994, 2012, 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


  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 #include "java_lang_Thread.h"
  35 
  36 #define THD "Ljava/lang/Thread;"
  37 #define OBJ "Ljava/lang/Object;"
  38 #define STE "Ljava/lang/StackTraceElement;"
  39 #define STR "Ljava/lang/String;"
  40 
  41 #define ARRAY_LENGTH(a) (sizeof(a)/sizeof(a[0]))
  42 
  43 static JNINativeMethod methods[] = {
  44     {"start0",           "()V",        (void *)&JVM_StartThread},
  45     {"stop0",            "(" OBJ ")V", (void *)&JVM_StopThread},
  46     {"isAlive",          "()Z",        (void *)&JVM_IsThreadAlive},
  47     {"suspend0",         "()V",        (void *)&JVM_SuspendThread},
  48     {"resume0",          "()V",        (void *)&JVM_ResumeThread},
  49     {"setPriority0",     "(I)V",       (void *)&JVM_SetThreadPriority},
  50     {"yield",            "()V",        (void *)&JVM_Yield},
  51     {"sleep",            "(J)V",       (void *)&JVM_Sleep},
  52     {"currentThread",    "()" THD,     (void *)&JVM_CurrentThread},
  53     {"countStackFrames", "()I",        (void *)&JVM_CountStackFrames},
  54     {"interrupt0",       "()V",        (void *)&JVM_Interrupt},
  55     {"isInterrupted",    "(Z)Z",       (void *)&JVM_IsInterrupted},
  56     {"holdsLock",        "(" OBJ ")Z", (void *)&JVM_HoldsLock},
  57     {"getThreads",        "()[" THD,   (void *)&JVM_GetAllThreads},
  58     {"dumpThreads",      "([" THD ")[[" STE, (void *)&JVM_DumpThreads},
  59     {"setNativeName",    "(" STR ")V", (void *)&JVM_SetNativeThreadName},
  60 };
  61 
  62 #undef THD
  63 #undef OBJ
  64 #undef STE
  65 #undef STR
  66 
  67 JNIEXPORT void JNICALL
  68 Java_java_lang_Thread_registerNatives(JNIEnv *env, jclass cls)
  69 {
  70     (*env)->RegisterNatives(env, cls, methods, ARRAY_LENGTH(methods));
  71 }
   1 /*
   2  * Copyright (c) 1994, 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.  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


  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 #include "java_lang_Thread.h"
  35 
  36 #define THD "Ljava/lang/Thread;"
  37 #define OBJ "Ljava/lang/Object;"
  38 #define STE "Ljava/lang/StackTraceElement;"
  39 #define STR "Ljava/lang/String;"
  40 
  41 #define ARRAY_LENGTH(a) (sizeof(a)/sizeof(a[0]))
  42 
  43 static JNINativeMethod methods[] = {
  44     {"start0",           "()V",        (void *)&JVM_StartThread},
  45     {"stop0",            "(" OBJ ")V", (void *)&JVM_StopThread},
  46     {"isAlive0",         "()Z",        (void *)&JVM_IsThreadAlive},
  47     {"suspend0",         "()V",        (void *)&JVM_SuspendThread},
  48     {"resume0",          "()V",        (void *)&JVM_ResumeThread},
  49     {"setPriority0",     "(I)V",       (void *)&JVM_SetThreadPriority},
  50     {"yield0",           "()V",        (void *)&JVM_Yield},
  51     {"sleep0",           "(J)V",       (void *)&JVM_Sleep},
  52     {"currentThread0",   "()" THD,     (void *)&JVM_CurrentThread},
  53     {"countStackFrames", "()I",        (void *)&JVM_CountStackFrames},
  54     {"interrupt0",       "()V",        (void *)&JVM_Interrupt},
  55     {"isInterrupted",    "(Z)Z",       (void *)&JVM_IsInterrupted},
  56     {"holdsLock",        "(" OBJ ")Z", (void *)&JVM_HoldsLock},
  57     {"getThreads",        "()[" THD,   (void *)&JVM_GetAllThreads},
  58     {"dumpThreads",      "([" THD ")[[" STE, (void *)&JVM_DumpThreads},
  59     {"setNativeName",    "(" STR ")V", (void *)&JVM_SetNativeThreadName},
  60 };
  61 
  62 #undef THD
  63 #undef OBJ
  64 #undef STE
  65 #undef STR
  66 
  67 JNIEXPORT void JNICALL
  68 Java_java_lang_Thread_registerNatives(JNIEnv *env, jclass cls)
  69 {
  70     (*env)->RegisterNatives(env, cls, methods, ARRAY_LENGTH(methods));
  71 }
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