/* src/native/vm/gnu/java_lang_VMThread.c Copyright (C) 1996-2005, 2006, 2007, 2008 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO This file is part of CACAO. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program 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 for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "config.h" #include #include "native/jni.h" #include "native/llni.h" #include "native/native.h" #include "native/include/java_lang_ThreadGroup.h" #include "native/include/java_lang_Object.h" /* java_lang_Thread.h */ #include "native/include/java_lang_Throwable.h" /* java_lang_Thread.h */ #include "native/include/java_lang_VMThread.h" #include "native/include/java_lang_String.h" #include "native/include/java_lang_Thread.h" #include "threads/lock-common.h" #include "threads/thread.h" #include "vm/exceptions.h" #include "vm/stringlocal.h" #include "vmcore/utf8.h" /* native methods implemented by this file ************************************/ static JNINativeMethod methods[] = { { "countStackFrames", "()I", (void *) (intptr_t) &Java_java_lang_VMThread_countStackFrames }, { "start", "(J)V", (void *) (intptr_t) &Java_java_lang_VMThread_start }, { "interrupt", "()V", (void *) (intptr_t) &Java_java_lang_VMThread_interrupt }, { "isInterrupted", "()Z", (void *) (intptr_t) &Java_java_lang_VMThread_isInterrupted }, { "suspend", "()V", (void *) (intptr_t) &Java_java_lang_VMThread_suspend }, { "resume", "()V", (void *) (intptr_t) &Java_java_lang_VMThread_resume }, { "nativeSetPriority", "(I)V", (void *) (intptr_t) &Java_java_lang_VMThread_nativeSetPriority }, { "nativeStop", "(Ljava/lang/Throwable;)V", (void *) (intptr_t) &Java_java_lang_VMThread_nativeStop }, { "currentThread", "()Ljava/lang/Thread;", (void *) (intptr_t) &Java_java_lang_VMThread_currentThread }, { "yield", "()V", (void *) (intptr_t) &Java_java_lang_VMThread_yield }, { "interrupted", "()Z", (void *) (intptr_t) &Java_java_lang_VMThread_interrupted }, { "holdsLock", "(Ljava/lang/Object;)Z", (void *) (intptr_t) &Java_java_lang_VMThread_holdsLock }, { "getState", "()Ljava/lang/String;", (void *) (intptr_t) &Java_java_lang_VMThread_getState }, }; /* _Jv_java_lang_VMThread_init ************************************************* Register native functions. *******************************************************************************/ void _Jv_java_lang_VMThread_init(void) { utf *u; u = utf_new_char("java/lang/VMThread"); native_method_register(u, methods, NATIVE_METHODS_COUNT); } /* * Class: java/lang/VMThread * Method: countStackFrames * Signature: ()I */ JNIEXPORT int32_t JNICALL Java_java_lang_VMThread_countStackFrames(JNIEnv *env, java_lang_VMThread *this) { java_lang_Thread *thread; LLNI_field_get_ref(this, thread, thread); log_println("Java_java_lang_VMThread_countStackFrames: IMPLEMENT ME!"); return 0; } /* * Class: java/lang/VMThread * Method: start * Signature: (J)V */ JNIEXPORT void JNICALL Java_java_lang_VMThread_start(JNIEnv *env, java_lang_VMThread *this, int64_t stacksize) { java_lang_Thread *thread; LLNI_field_get_ref(this, thread, thread); #if defined(ENABLE_THREADS) threads_thread_start((java_handle_t *) thread); #endif } /* * Class: java/lang/VMThread * Method: interrupt * Signature: ()V */ JNIEXPORT void JNICALL Java_java_lang_VMThread_interrupt(JNIEnv *env, java_lang_VMThread *this) { #if defined(ENABLE_THREADS) java_handle_t *h; threadobject *t; h = (java_handle_t *) this; t = thread_get_thread(h); threads_thread_interrupt(t); #endif } /* * Class: java/lang/VMThread * Method: isInterrupted * Signature: ()Z */ JNIEXPORT int32_t JNICALL Java_java_lang_VMThread_isInterrupted(JNIEnv *env, java_lang_VMThread *this) { #if defined(ENABLE_THREADS) java_handle_t *h; threadobject *t; h = (java_handle_t *) this; t = thread_get_thread(h); return thread_is_interrupted(t); #else return 0; #endif } /* * Class: java/lang/VMThread * Method: suspend * Signature: ()V */ JNIEXPORT void JNICALL Java_java_lang_VMThread_suspend(JNIEnv *env, java_lang_VMThread *this) { #if defined(ENABLE_THREADS) /* TODO Should we implement this or is it obsolete? */ #endif } /* * Class: java/lang/VMThread * Method: resume * Signature: ()V */ JNIEXPORT void JNICALL Java_java_lang_VMThread_resume(JNIEnv *env, java_lang_VMThread *this) { #if defined(ENABLE_THREADS) /* TODO Should we implement this or is it obsolete? */ #endif } /* * Class: java/lang/VMThread * Method: nativeSetPriority * Signature: (I)V */ JNIEXPORT void JNICALL Java_java_lang_VMThread_nativeSetPriority(JNIEnv *env, java_lang_VMThread *this, int32_t priority) { #if defined(ENABLE_THREADS) java_handle_t *h; threadobject *t; h = (java_handle_t *) this; t = thread_get_thread(h); threads_set_thread_priority(t->tid, priority); #endif } /* * Class: java/lang/VMThread * Method: nativeStop * Signature: (Ljava/lang/Throwable;)V */ JNIEXPORT void JNICALL Java_java_lang_VMThread_nativeStop(JNIEnv *env, java_lang_VMThread *this, java_lang_Throwable *t) { #if defined(ENABLE_THREADS) /* TODO Should we implement this or is it obsolete? */ #endif } /* * Class: java/lang/VMThread * Method: currentThread * Signature: ()Ljava/lang/Thread; */ JNIEXPORT java_lang_Thread* JNICALL Java_java_lang_VMThread_currentThread(JNIEnv *env, jclass clazz) { java_lang_Thread *to; to = (java_lang_Thread *) thread_get_current_object(); return to; } /* * Class: java/lang/VMThread * Method: yield * Signature: ()V */ JNIEXPORT void JNICALL Java_java_lang_VMThread_yield(JNIEnv *env, jclass clazz) { #if defined(ENABLE_THREADS) threads_yield(); #endif } /* * Class: java/lang/VMThread * Method: interrupted * Signature: ()Z */ JNIEXPORT int32_t JNICALL Java_java_lang_VMThread_interrupted(JNIEnv *env, jclass clazz) { #if defined(ENABLE_THREADS) threadobject *t; int32_t interrupted; t = thread_get_current(); interrupted = thread_is_interrupted(t); if (interrupted) thread_set_interrupted(t, false); return interrupted; #else return 0; #endif } /* * Class: java/lang/VMThread * Method: holdsLock * Signature: (Ljava/lang/Object;)Z */ JNIEXPORT int32_t JNICALL Java_java_lang_VMThread_holdsLock(JNIEnv *env, jclass clazz, java_lang_Object* o) { #if defined(ENABLE_THREADS) java_handle_t *h; h = (java_handle_t *) o; if (h == NULL) { exceptions_throw_nullpointerexception(); return 0; } return lock_is_held_by_current_thread(h); #else return 0; #endif } /* * Class: java/lang/VMThread * Method: getState * Signature: ()Ljava/lang/String; */ JNIEXPORT java_lang_String* JNICALL Java_java_lang_VMThread_getState(JNIEnv *env, java_lang_VMThread *this) { #if defined(ENABLE_THREADS) java_handle_t *h; threadobject *t; int state; utf *u; java_handle_t *o; h = (java_handle_t *) this; t = thread_get_thread(h); state = cacaothread_get_state(t); switch (state) { case THREAD_STATE_NEW: u = utf_new_char("NEW"); break; case THREAD_STATE_RUNNABLE: u = utf_new_char("RUNNABLE"); break; case THREAD_STATE_BLOCKED: u = utf_new_char("BLOCKED"); break; case THREAD_STATE_WAITING: u = utf_new_char("WAITING"); break; case THREAD_STATE_TIMED_WAITING: u = utf_new_char("TIMED_WAITING"); break; case THREAD_STATE_TERMINATED: u = utf_new_char("TERMINATED"); break; default: vm_abort("Java_java_lang_VMThread_getState: unknown thread state %d", state); /* Keep compiler happy. */ u = NULL; } o = javastring_new(u); return (java_lang_String *) o; #else return NULL; #endif } /* * These are local overrides for various environment variables in Emacs. * Please do not remove this and leave it at the end of the file, where * Emacs will automagically detect them. * --------------------------------------------------------------------- * Local variables: * mode: c * indent-tabs-mode: t * c-basic-offset: 4 * tab-width: 4 * End: */