Object *classlibThreadPreInit(Class *thread_class, Class *thrdGrp_class) {
MethodBlock *system_init_mb, *main_init_mb;
FieldBlock *thread_status_fb, *eetop_fb;
Object *system, *main, *main_name;
init_mb_with_name = findMethod(thread_class, SYMBOL(object_init),
SYMBOL(_java_lang_ThreadGroup_java_lang_String__V));
init_mb_no_name = findMethod(thread_class, SYMBOL(object_init),
SYMBOL(_java_lang_ThreadGroup_java_lang_Runnable__V));
thread_status_fb = findField(thread_class, SYMBOL(threadStatus),
SYMBOL(I));
eetop_fb = findField(thread_class, SYMBOL(eetop), SYMBOL(J));
system_init_mb = findMethod(thrdGrp_class, SYMBOL(object_init),
SYMBOL(___V));
main_init_mb = findMethod(thrdGrp_class, SYMBOL(object_init),
SYMBOL(_java_lang_ThreadGroup_java_lang_String__V));
if(init_mb_with_name == NULL || init_mb_no_name == NULL ||
system_init_mb == NULL || main_init_mb == NULL ||
thread_status_fb == NULL || eetop_fb == NULL)
return NULL;
CLASS_CB(thread_class)->flags |= JTHREAD;
thread_status_offset = thread_status_fb->u.offset;
eetop_offset = eetop_fb->u.offset;
if((system = allocObject(thrdGrp_class)) == NULL)
return NULL;
executeMethod(system, system_init_mb);
if(exceptionOccurred())
return NULL;
if((main = allocObject(thrdGrp_class)) == NULL ||
(main_name = Cstr2String("main")) == NULL)
return NULL;
executeMethod(main, main_init_mb, system, main_name);
if(exceptionOccurred())
return NULL;
return main;
}
bool
CMediaPlayer::isPlaying()
{
jboolean result = getEnv()->CallBooleanMethod(m_obj, m_isPlaying);
exceptionOccurred();
return (result) ? true : false;
}
native_netscape_javascript_JSObject_getWindow(
JRIEnv* env,
struct java_lang_Class* clazz,
struct java_applet_Applet* hint)
{
#ifndef JAVA
return NULL;
#else
struct netscape_javascript_JSObject *ret = NULL;
JSContext *cx;
JSSavedState saved;
JSObject *jso;
if (!JSJ_IsEnabled()) {
js_throwJSException(env, "Java/JavaScript communication is disabled");
return 0;
}
if (!enterJS(env, NULL, &cx, NULL, &saved))
return NULL;
jso = JSJ_GetDefaultObject(env, (jobject) hint);
if (exceptionOccurred((ExecEnv *)env))
goto out;
ret = (struct netscape_javascript_JSObject *)
js_ReflectJSObjectToJObject(cx, jso);
out:
if (!exitJS(env, NULL, cx, NULL, &saved))
return NULL;
return ret;
#endif
}
int main(int argc, char *argv[]) {
Class *array_class, *main_class;
Object *system_loader, *array;
MethodBlock *mb;
InitArgs args;
int class_arg;
char *cpntr;
int status;
int i;
setDefaultInitArgs(&args);
class_arg = parseCommandLine(argc, argv, &args);
args.main_stack_base = &array_class;
if(!initVM(&args)) {
printf("Could not initialise VM. Aborting.\n");
exit(1);
}
if((system_loader = getSystemClassLoader()) == NULL)
goto error;
mainThreadSetContextClassLoader(system_loader);
for(cpntr = argv[class_arg]; *cpntr; cpntr++)
if(*cpntr == '.')
*cpntr = '/';
main_class = findClassFromClassLoader(argv[class_arg], system_loader);
if(main_class != NULL)
initClass(main_class);
if(exceptionOccurred())
goto error;
mb = lookupMethod(main_class, SYMBOL(main),
SYMBOL(_array_java_lang_String__V));
if(mb == NULL || !(mb->access_flags & ACC_STATIC)) {
signalException(java_lang_NoSuchMethodError, "main");
goto error;
}
/* Create the String array holding the command line args */
i = class_arg + 1;
if((array_class = findArrayClass(SYMBOL(array_java_lang_String))) &&
(array = allocArray(array_class, argc - i, sizeof(Object*)))) {
Object **args = ARRAY_DATA(array, Object*) - i;
for(; i < argc; i++)
if(!(args[i] = Cstr2String(argv[i])))
break;
/* Call the main method */
if(i == argc)
executeStaticMethod(main_class, mb, array);
}
void
CMediaPlayer::start()
{
DEBUG_PRINT("CMediaPlayer::start() in...");
getEnv()->CallVoidMethod(m_obj, m_start);
exceptionOccurred();
DEBUG_PRINT("CMediaPlayer::start() exit.");
}
void
CMediaPlayer::setLooping(bool looping)
{
DEBUG_PRINT("CMediaPlayer::setLooping() in...");
getEnv()->CallVoidMethod(m_obj, m_setLooping, (jboolean)looping);
exceptionOccurred();
DEBUG_PRINT("CMediaPlayer::setLooping() exit.");
}
s32
CMediaPlayer::getCurrentPos()
{
s32 ret = 0;
DEBUG_PRINT("CMediaPlayer::getCurrentPos() in...");
ret = getEnv()->CallIntMethod(m_obj, m_getCurrentPos);
exceptionOccurred();
DEBUG_PRINT("CMediaPlayer::getCurrentPos() exit.");
return ret;
}
char classlibInitJavaThread(Thread *thread, Object *jlthread, Object *name,
Object *group, char is_daemon, int priority) {
INST_DATA(jlthread, Thread*, eetop_offset) = thread;
INST_DATA(jlthread, int, daemon_offset) = is_daemon;
INST_DATA(jlthread, int, priority_offset) = priority;
if(name == NULL)
executeMethod(jlthread, init_mb_no_name, group, NULL);
else
executeMethod(jlthread, init_mb_with_name, group, name);
return !exceptionOccurred();
}
int classlibThreadPostInit() {
Class *system = findSystemClass(SYMBOL(java_lang_System));
if(system != NULL) {
MethodBlock *init = findMethod(system, SYMBOL(initializeSystemClass),
SYMBOL(___V));
if(init != NULL) {
executeStaticMethod(system, init);
return !exceptionOccurred();
}
}
return FALSE;
}
void signalChainedExceptionName(char *excep_name, char *message, Object *cause) {
if(!inited) {
jam_fprintf(stderr, "Exception occurred while VM initialising.\n");
if(message)
jam_fprintf(stderr, "%s: %s\n", excep_name, message);
else
jam_fprintf(stderr, "%s\n", excep_name);
exit(1);
} else {
Class *exception = findSystemClass(excep_name);
if(!exceptionOccurred())
signalChainedExceptionClass(exception, message, cause);
}
}
void signalChainedExceptionClass(Class *exception, char *message, Object *cause) {
Object *exp = allocObject(exception);
Object *str = message == NULL ? NULL : Cstr2String(message);
MethodBlock *init = lookupMethod(exception, SYMBOL(object_init),
SYMBOL(_java_lang_String__V));
if(exp && init) {
executeMethod(exp, init, str);
if(cause && !exceptionOccurred()) {
MethodBlock *mb = lookupMethod(exception, SYMBOL(initCause),
SYMBOL(_java_lang_Throwable__java_lang_Throwable));
if(mb)
executeMethod(exp, mb, cause);
}
setException(exp);
}
}
static bool_t
exitJS(JRIEnv *env,
struct netscape_javascript_JSObject* self,
JSContext *cx, JSObject *jso, JSSavedState *saved)
{
#ifndef JAVA
return JS_FALSE;
#else
/* restore saved info */
JS_SetErrorReporter(cx, saved->errReporter);
js_JSErrorToJException(cx, (ExecEnv*)env);
JSJ_ExitJS();
if (exceptionOccurred((ExecEnv*)env))
return FALSE;
return TRUE;
#endif
}
int classlibThreadPostInit() {
Class *system;
#ifdef JSR292
/* Initialise lock used in Method Handle resolution - this
must be done before any invokedynamic instruction is executed */
initVMLock(resolve_lock);
#endif
/* Initialise System class */
system = findSystemClass(SYMBOL(java_lang_System));
if(system != NULL) {
MethodBlock *init = findMethod(system, SYMBOL(initializeSystemClass),
SYMBOL(___V));
if(init != NULL) {
executeStaticMethod(system, init);
return !exceptionOccurred();
}
}
return FALSE;
}
void
CMediaPlayer::setDataSource(const char * path)
{
DEBUG_PRINT("CMediaPlayer::setDataSource() in ... m_obj = %p", m_obj);
jstring jpath = getEnv()->NewStringUTF(path);
//
jclass local_fs = getEnv()->FindClass("java/io/FileInputStream");
jmethodID cns = getEnv()->GetMethodID(local_fs, "<init>", "(Ljava/lang/String;)V");
jobject local_obj = getEnv()->NewObject(local_fs, cns, jpath); // C++からアクセスするためのインスタンス作成
jobject global_obj = getEnv()->NewGlobalRef(local_obj);
jmethodID getFD = getEnv()->GetMethodID(local_fs, "getFD", "()Ljava/io/FileDescriptor;");
getEnv()->CallVoidMethod( m_obj,
m_setDataSource,
getEnv()->CallObjectMethod(global_obj, getFD) );
getEnv()->DeleteGlobalRef(global_obj);
CJNI::getJNIEnv()->DeleteLocalRef(local_fs);
CJNI::getJNIEnv()->DeleteLocalRef(local_obj);
CJNI::getJNIEnv()->DeleteLocalRef(jpath);
exceptionOccurred();
DEBUG_PRINT("CMediaPlayer::setDataSource(): path = %s", path);
}
void detachThread(Thread *thread) {
Object *group, *excep;
//ExecEnv *ee = thread->ee;
//Object *jThread = ee->thread;
Object *jThread = thread->thread;
Object *vmthread = (Object*)INST_DATA(jThread)[vmthread_offset];
/* Get the thread's group */
group = (Object *)INST_DATA(jThread)[group_offset];
/* If there's an uncaught exception, call uncaughtException on the thread's
exception handler, or the thread's group if this is unset */
if((excep = exceptionOccurred())) {
FieldBlock *fb = findField(thread_class, SYMBOL(exceptionHandler),
SYMBOL(sig_java_lang_Thread_UncaughtExceptionHandler));
Object *thread_handler = fb == NULL ? NULL : (Object *)INST_DATA(jThread)[fb->offset];
Object *handler = thread_handler == NULL ? group : thread_handler;
MethodBlock *uncaught_exp = lookupMethod(handler->classobj, SYMBOL(uncaughtException),
SYMBOL(_java_lang_Thread_java_lang_Throwable__V));
if(uncaught_exp) {
clearException();
DummyFrame dummy;
executeMethod(&dummy, handler, uncaught_exp, jThread, excep);
} else
printException();
}
/* remove thread from thread group */
DummyFrame dummy;
executeMethod(&dummy, group, (CLASS_CB(group->classobj))->method_table[rmveThrd_mtbl_idx], jThread);
/* set VMThread ref in Thread object to null - operations after this
point will result in an IllegalThreadStateException */
INST_DATA(jThread)[vmthread_offset] = 0;
/* Remove thread from the ID map hash table */
deleteThreadFromHash(thread);
/* Disable suspend to protect lock operation */
disableSuspend(thread);
/* Grab global lock, and update thread structures protected by
it (thread list, thread ID and number of daemon threads) */
pthread_mutex_lock(&lock);
/* remove from thread list... */
if((thread->prev->next = thread->next))
thread->next->prev = thread->prev;
/* One less live thread */
threads_count--;
/* Recycle the thread's thread ID */
freeThreadID(thread->id);
/* Handle daemon thread status */
if(!INST_DATA(jThread)[daemon_offset])
non_daemon_thrds--;
pthread_mutex_unlock(&lock);
/* notify any threads waiting on VMThread object -
these are joining this thread */
objectLock(vmthread);
objectNotifyAll(vmthread);
objectUnlock(vmthread);
/* It is safe to free the thread's ExecEnv and stack now as these are
only used within the thread. It is _not_ safe to free the native
thread structure as another thread may be concurrently accessing it.
However, they must have a reference to the VMThread -- therefore, it
is safe to free during GC when the VMThread is determined to be no
longer reachable. */
// sysFree(ee->stack);
//sysFree(ee);
/* If no more daemon threads notify the main thread (which
may be waiting to exit VM). Note, this is not protected
by lock, but main thread checks again */
if(non_daemon_thrds == 0) {
/* No need to bother with disabling suspension
* around lock, as we're no longer on thread list */
pthread_mutex_lock(&exit_lock);
pthread_cond_signal(&exit_cv);
pthread_mutex_unlock(&exit_lock);
}
TRACE("Thread 0x%x id: %d detached from VM\n", thread, thread->id);
}
void
CMediaPlayer::setVolume(float leftVolume, float rightVolume)
{
getEnv()->CallVoidMethod(m_obj, m_setVolume, leftVolume, rightVolume);
exceptionOccurred();
}
int main(int argc, char *argv[]) {
Class *array_class, *main_class;
Object *system_loader, *array;
MethodBlock *mb;
InitArgs args;
int class_arg;
char *cpntr;
int status;
int i;
setDefaultInitArgs(&args);
class_arg = parseCommandLine(argc, argv, &args);
args.main_stack_base = &array_class;
initVM(&args);
if((system_loader = getSystemClassLoader()) == NULL) {
printf("Cannot create system class loader\n");
printException();
exitVM(1);
}
mainThreadSetContextClassLoader(system_loader);
for(cpntr = argv[class_arg]; *cpntr; cpntr++)
if(*cpntr == '.')
*cpntr = '/';
if((main_class = findClassFromClassLoader(argv[class_arg], system_loader)) != NULL)
initClass(main_class);
if(exceptionOccurred()) {
printException();
exitVM(1);
}
mb = lookupMethod(main_class, SYMBOL(main), SYMBOL(_array_java_lang_String__V));
if(!mb || !(mb->access_flags & ACC_STATIC)) {
printf("Static method \"main\" not found in %s\n", argv[class_arg]);
exitVM(1);
}
/* Create the String array holding the command line args */
i = class_arg + 1;
if((array_class = findArrayClass(SYMBOL(array_java_lang_String))) &&
(array = allocArray(array_class, argc - i, sizeof(Object*)))) {
Object **args = (Object**)ARRAY_DATA(array) - i;
for(; i < argc; i++)
if(!(args[i] = Cstr2String(argv[i])))
break;
/* Call the main method */
if(i == argc)
executeStaticMethod(main_class, mb, array);
}
/* ExceptionOccurred returns the exception or NULL, which is OK
for normal conditionals, but not here... */
if((status = exceptionOccurred() ? 1 : 0))
printException();
/* Wait for all but daemon threads to die */
mainThreadWaitToExitVM();
exitVM(status);
}