/**
* Reports a fatal error that cannot be handled in Java.
* Must be called from a KNI method
*
*/
void handleFatalError(void) {
KNI_StartHandles(1);
KNI_DeclareHandle(throwableObj);
KNI_GetParameterAsObject(1, throwableObj);
/* IMPL NOTE: Figure out what throwable class this is and log the error? */
REPORT_CRIT1(LC_CORE, "handleFatalError: uncaught exception in "
"isolate %d event processing thread", getCurrentIsolateId());
KNI_EndHandles();
if (getCurrentIsolateId() == midpGetAmsIsolateId()) {
/* AMS isolate or SVM mode, terminate VM */
midp_exitVM(-1);
} else {
MidpEvent event;
/* Application isolate, notify the AMS isolate. */
MIDP_EVENT_INITIALIZE(event);
event.type = FATAL_ERROR_NOTIFICATION;
event.intParam1 = getCurrentIsolateId();
/* Send the shutdown event. */
StoreMIDPEventInVmThread(event, midpGetAmsIsolateId());
}
KNI_ReturnVoid();
}
/**
* Sends a native event a given Isolate.
*
* @param event A event to queued
* @param isolateId ID of the target Isolate
*/
KNIEXPORT KNI_RETURNTYPE_VOID
Java_com_sun_midp_events_EventQueue_sendNativeEventToIsolate(void) {
MidpEvent event;
jint isolateId;
int noExceptions = 0;
MIDP_EVENT_INITIALIZE(event);
KNI_StartHandles(3);
KNI_DeclareHandle(eventObj);
KNI_DeclareHandle(stringObj);
KNI_DeclareHandle(classObj);
KNI_GetParameterAsObject(1, eventObj);
isolateId = KNI_GetParameterAsInt(2);
cacheEventFieldIDs(eventObj, classObj);
event.type = KNI_GetIntField(eventObj, typeFieldID);
event.intParam1 = KNI_GetIntField(eventObj, intParam1FieldID);
event.intParam2 = KNI_GetIntField(eventObj, intParam2FieldID);
event.intParam3 = KNI_GetIntField(eventObj, intParam3FieldID);
event.intParam4 = KNI_GetIntField(eventObj, intParam4FieldID);
event.intParam5 = KNI_GetIntField(eventObj, intParam5FieldID);
do {
GET_STRING_EVENT_FIELD(eventObj, stringParam1FieldID, stringObj,
event.stringParam1);
GET_STRING_EVENT_FIELD(eventObj, stringParam2FieldID, stringObj,
event.stringParam2);
GET_STRING_EVENT_FIELD(eventObj, stringParam3FieldID, stringObj,
event.stringParam3);
GET_STRING_EVENT_FIELD(eventObj, stringParam4FieldID, stringObj,
event.stringParam4);
GET_STRING_EVENT_FIELD(eventObj, stringParam5FieldID, stringObj,
event.stringParam5);
GET_STRING_EVENT_FIELD(eventObj, stringParam6FieldID, stringObj,
event.stringParam6);
noExceptions = 1;
} while (0);
KNI_EndHandles();
if (noExceptions) {
StoreMIDPEventInVmThread(event, isolateId);
} else {
freeMIDPEventFields(event);
}
KNI_ReturnVoid();
}
/**
* Sends a shutdown event to the event queue of the current Isolate.
*
*/
KNIEXPORT KNI_RETURNTYPE_VOID
Java_com_sun_midp_events_EventQueue_sendShutdownEvent(void) {
MidpEvent event;
jint isolateId;
/* Initialize the event with just the SHUTDOWN type */
MIDP_EVENT_INITIALIZE(event);
event.type = EVENT_QUEUE_SHUTDOWN;
/* Send the shutdown event. */
isolateId = getCurrentIsolateId();
StoreMIDPEventInVmThread(event, isolateId);
KNI_ReturnVoid();
}
/** Notifies registered record store listeneres about record store change */
void rms_registry_send_record_store_change_event(
int suiteId, pcsl_string *storeName, int changeType, int recordId) {
RecordStoreListener *listenerPtr;
listenerPtr = findRecordStoreListener(suiteId, storeName);
if (listenerPtr != NULL) {
int i;
pcsl_string_status rc;
int taskId = getCurrentIsolateId();
for (i = 0; i < listenerPtr->count; i++) {
int listenerId = listenerPtr->listenerId[i];
if (listenerId != taskId) {
int counter;
MidpEvent evt;
int requiresAcknowledgment = 0;
/* Request acknowledgment from receiver after sending a series
* of notifications to protect receiver from queue overflow. */
counter = incNotificationCounter(listenerId);
if (counter == RECORD_STORE_NOTIFICATION_QUEUE_SIZE / 2) {
requiresAcknowledgment = 1;
}
MIDP_EVENT_INITIALIZE(evt);
evt.type = RECORD_STORE_CHANGE_EVENT;
evt.intParam1 = suiteId;
evt.intParam2 = changeType;
evt.intParam3 = recordId;
evt.intParam4 = requiresAcknowledgment;
rc = pcsl_string_dup(storeName, &evt.stringParam1);
if (rc != PCSL_STRING_OK) {
REPORT_CRIT(LC_RMS,
"rms_registry_notify_record_store_change(): OUT OF MEMORY");
return;
}
StoreMIDPEventInVmThread(evt, listenerId);
REPORT_INFO1(LC_RMS, "rms_registry_notify_record_store_change(): "
"notify VM task %d of RMS changes", listenerId);
}
}
}
}
void FOX_FASTCALL(midp_check_events)(jlonglong timeout) {
#else
void midp_check_events(JVMSPI_BlockedThreadInfo *blocked_threads,
int blocked_threads_count,
jlong timeout) {
if (midp_waitWhileSuspended()) {
/* System has been requested to resume. Returning control to VM
* to perform java-side resume routines. Timeout may be too long
* here or even -1, thus do not check other events this time.
*/
return;
}
#endif
newSignal.waitingFor = NO_SIGNAL;
newSignal.pResult = ADDR_ZERO;
MIDP_EVENT_INITIALIZE(newMidpEvent);
checkForSystemSignal(&newSignal, &newMidpEvent, timeout);
switch (newSignal.waitingFor) {
#if ENABLE_JAVA_DEBUGGER
case VM_DEBUG_SIGNAL:
if (midp_isDebuggerActive()) {
JVM_ProcessDebuggerCmds();
}
break;
#endif // ENABLE_JAVA_DEBUGGER
case AMS_SIGNAL:
midpStoreEventAndSignalAms(newMidpEvent);
break;
case UI_SIGNAL:
midpStoreEventAndSignalForeground(newMidpEvent);
break;
case NETWORK_READ_SIGNAL:
#ifdef FEATURE_PHONEME
FASTIVA_DBREAK();
#else
if (eventUnblockJavaThread(blocked_threads,
blocked_threads_count, newSignal.waitingFor,
newSignal.descriptor,
newSignal.status))
/* Processing is done in eventUnblockJavaThread. */;
else if (findPushBlockedHandle(newSignal.descriptor) != 0) {
/* The push system is waiting for a read on this descriptor */
midp_thread_signal_list(blocked_threads, blocked_threads_count,
PUSH_SIGNAL, 0, 0);
}
#endif
#if (ENABLE_JSR_120 || ENABLE_JSR_205)
else
jsr120_check_signal(newSignal.waitingFor, newSignal.descriptor);
#endif
break;
case HOST_NAME_LOOKUP_SIGNAL:
case NETWORK_WRITE_SIGNAL:
#if (ENABLE_JSR_120 || ENABLE_JSR_205)
if (!jsr120_check_signal(newSignal.waitingFor, newSignal.descriptor))
#endif
#ifdef FEATURE_PHONEME
FASTIVA_DBREAK();
#else
midp_thread_signal_list(blocked_threads, blocked_threads_count,
newSignal.waitingFor, newSignal.descriptor,
newSignal.status);
#endif
break;
case NETWORK_EXCEPTION_SIGNAL:
#ifdef FEATURE_PHONEME
FASTIVA_DBREAK();
#else
/* Find both the read and write threads and signal the status. */
eventUnblockJavaThread(blocked_threads, blocked_threads_count,
NETWORK_READ_SIGNAL, newSignal.descriptor,
newSignal.status);
eventUnblockJavaThread(blocked_threads, blocked_threads_count,
NETWORK_WRITE_SIGNAL, newSignal.descriptor,
newSignal.status);
#endif
return;
case PUSH_ALARM_SIGNAL:
#ifdef FEATURE_PHONEME
FASTIVA_DBREAK();
#else
if (findPushTimerBlockedHandle(newSignal.descriptor) != 0) {
/* The push system is waiting for this alarm */
midp_thread_signal_list(blocked_threads,
blocked_threads_count, PUSH_SIGNAL, 0, 0);
}
#endif
break;
#if (ENABLE_JSR_135 || ENABLE_JSR_234)
case MEDIA_EVENT_SIGNAL:
StoreMIDPEventInVmThread(newMidpEvent, newMidpEvent.MM_ISOLATE);
eventUnblockJavaThread(blocked_threads, blocked_threads_count,
MEDIA_EVENT_SIGNAL, newSignal.descriptor,
newSignal.status);
break;
case MEDIA_SNAPSHOT_SIGNAL:
eventUnblockJavaThread(blocked_threads, blocked_threads_count,
MEDIA_SNAPSHOT_SIGNAL, newSignal.descriptor,
newSignal.status);
break;
#endif
#ifdef ENABLE_JSR_179
case JSR179_LOCATION_SIGNAL:
midp_thread_signal_list(blocked_threads,
blocked_threads_count, JSR179_LOCATION_SIGNAL, newSignal.descriptor, newSignal.status);
break;
#endif /* ENABLE_JSR_179 */
#if (ENABLE_JSR_120 || ENABLE_JSR_205)
case WMA_SMS_READ_SIGNAL:
case WMA_CBS_READ_SIGNAL:
case WMA_MMS_READ_SIGNAL:
case WMA_SMS_WRITE_SIGNAL:
case WMA_MMS_WRITE_SIGNAL:
jsr120_check_signal(newSignal.waitingFor, newSignal.descriptor);
break;
#endif
#ifdef ENABLE_JSR_177
case CARD_READER_DATA_SIGNAL:
midp_thread_signal_list(blocked_threads, blocked_threads_count,
newSignal.waitingFor, newSignal.descriptor,
newSignal.status);
break;
#endif /* ENABLE_JSR_177 */
default:
break;
} /* switch */
}
/**
* Runs the VM in either master or slave mode depending on the
* platform. It does not return until the VM is finished. In slave mode
* it will contain a system event loop.
*
* @param classPath string containing the class path
* @param mainClass string containing the main class for the VM to run.
* @param argc the number of arguments to pass to the main method
* @param argv the arguments to pass to the main method
*
* @return exit status of the VM
*/
#if 0
int midpRunVm(JvmPathChar* classPath,
char* mainClass,
int argc,
char** argv) {
/* Master mode does not need VM time slice requests. */
midp_thread_set_timeslice_proc(ADDR_ZERO);
return JVM_Start(classPath, mainClass, argc, argv);
}
/**
* Receive a sendEvent Signal.
*
* @param event The event to enqueue.
*
* @param isolateId ID of an Isolate or 0 for SMV mode
*/
void EventChannel::receiveEvent(MidpEvent event, int isolateId) {
StoreMIDPEventInVmThread(event, isolateId);
}
/*
* This function is called by the VM periodically. It has to check if
* any of the blocked threads are ready for execution, and call
* SNI_UnblockThread() on those threads that are ready.
*
* Values for the <timeout> paramater:
* >0 = Block until an event happens, or until <timeout> milliseconds
* has elapsed.
* 0 = Check the events sources but do not block. Return to the
* caller immediately regardless of the status of the event sources.
* -1 = Do not timeout. Block until an event happens.
*/
void midp_check_events(JVMSPI_BlockedThreadInfo *blocked_threads,
int blocked_threads_count,
jlong timeout) {
if (midp_waitWhileSuspended()) {
/* System has been requested to resume. Returning control to VM
* to perform java-side resume routines. Timeout may be too long
* here or even -1, thus do not check other events this time.
*/
return;
}
newSignal.waitingFor = 0;
newSignal.pResult = NULL;
MIDP_EVENT_INITIALIZE(newMidpEvent);
checkForSystemSignal(&newSignal, &newMidpEvent, timeout);
switch (newSignal.waitingFor) {
#if ENABLE_JAVA_DEBUGGER
case VM_DEBUG_SIGNAL:
if (midp_isDebuggerActive()) {
JVM_ProcessDebuggerCmds();
}
break;
#endif // ENABLE_JAVA_DEBUGGER
case AMS_SIGNAL:
midpStoreEventAndSignalAms(newMidpEvent);
break;
case UI_SIGNAL:
midpStoreEventAndSignalForeground(newMidpEvent);
break;
case NETWORK_READ_SIGNAL:
if (eventUnblockJavaThread(blocked_threads,
blocked_threads_count, newSignal.waitingFor,
newSignal.descriptor,
newSignal.status))
/* Processing is done in eventUnblockJavaThread. */;
else if (findPushBlockedHandle(newSignal.descriptor) != 0) {
/* The push system is waiting for a read on this descriptor */
midp_thread_signal_list(blocked_threads, blocked_threads_count,
PUSH_SIGNAL, 0, 0);
}
#if (ENABLE_JSR_120 || ENABLE_JSR_205)
else
jsr120_check_signal(newSignal.waitingFor, newSignal.descriptor);
#endif
break;
case HOST_NAME_LOOKUP_SIGNAL:
case NETWORK_WRITE_SIGNAL:
#if (ENABLE_JSR_120 || ENABLE_JSR_205)
if (!jsr120_check_signal(newSignal.waitingFor, newSignal.descriptor))
#endif
midp_thread_signal_list(blocked_threads, blocked_threads_count,
newSignal.waitingFor, newSignal.descriptor,
newSignal.status);
break;
case NETWORK_EXCEPTION_SIGNAL:
/* Find both the read and write threads and signal the status. */
eventUnblockJavaThread(blocked_threads, blocked_threads_count,
NETWORK_READ_SIGNAL, newSignal.descriptor,
newSignal.status);
eventUnblockJavaThread(blocked_threads, blocked_threads_count,
NETWORK_WRITE_SIGNAL, newSignal.descriptor,
newSignal.status);
return;
case PUSH_ALARM_SIGNAL:
if (findPushTimerBlockedHandle(newSignal.descriptor) != 0) {
/* The push system is waiting for this alarm */
midp_thread_signal_list(blocked_threads,
blocked_threads_count, PUSH_SIGNAL, 0, 0);
}
break;
#if (ENABLE_JSR_135 || ENABLE_JSR_234)
case MEDIA_EVENT_SIGNAL:
StoreMIDPEventInVmThread(newMidpEvent, newMidpEvent.MM_ISOLATE);
eventUnblockJavaThread(blocked_threads, blocked_threads_count,
MEDIA_EVENT_SIGNAL, newSignal.descriptor,
newSignal.status);
break;
case MEDIA_SNAPSHOT_SIGNAL:
eventUnblockJavaThread(blocked_threads, blocked_threads_count,
MEDIA_SNAPSHOT_SIGNAL, newSignal.descriptor,
newSignal.status);
break;
#endif
#ifdef ENABLE_JSR_179
case JSR179_LOCATION_SIGNAL:
midp_thread_signal_list(blocked_threads,
blocked_threads_count, JSR179_LOCATION_SIGNAL, newSignal.descriptor, newSignal.status);
break;
#endif /* ENABLE_JSR_179 */
#if (ENABLE_JSR_120 || ENABLE_JSR_205)
case WMA_SMS_READ_SIGNAL:
case WMA_CBS_READ_SIGNAL:
case WMA_MMS_READ_SIGNAL:
case WMA_SMS_WRITE_SIGNAL:
case WMA_MMS_WRITE_SIGNAL:
jsr120_check_signal(newSignal.waitingFor, newSignal.descriptor);
break;
#endif
#ifdef ENABLE_JSR_177
case CARD_READER_DATA_SIGNAL:
midp_thread_signal_list(blocked_threads, blocked_threads_count,
newSignal.waitingFor, newSignal.descriptor,
newSignal.status);
break;
#endif /* ENABLE_JSR_177 */
default:
break;
} /* switch */
}
