void Thread::set_current(Thread* value) {
GUARANTEE(_last_handle == NULL, "No handles when switching threads");
GUARANTEE(last_kni_handle_info == NULL,
"No KNI handles when switching threads");
GUARANTEE(!_jvm_in_quick_native_method,
"cannot switch thread in quick native methods");
if (VerifyOnly) {
GUARANTEE(current()->is_null() || value->is_null() ||
current()->equals(value),
"cannot switch threads during Romization or VerifyOnly");
}
if (current()->not_null()) {
decache_current_pending_exception();
}
_current_thread = value->obj();
cache_current_pending_exception();
if (TraceThreadsExcessive) {
TTY_TRACE_CR(("set_current_thread: 0x%x (id=%d)", value->obj(),
(value->is_null() ? -1 : value->id())));
}
#if ENABLE_ISOLATES
{
int tid = value->task_id();
Task::Raw task = Universe::task_from_id(tid);
Universe::set_current_task(tid);
// have to be here, not in Universe::set_current_task()
ObjectHeap::on_task_switch(tid);
if (task().is_terminating()){
#ifdef AZZERT
GUARANTEE(!task.is_null() && task().status() >= Task::TASK_STOPPING,
"task of terminating thread must be stopping");
#endif
// The task that this thread belongs to is dead
if (TraceThreadsExcessive) {
TTY_TRACE_CR(("set_current: task dead: thread 0x%x",
current()->obj()));
}
current()->set_terminating();
set_current_pending_exception(Task::get_termination_object());
}
}
#endif
// Update the current stack limit
update_current_stack_limit(value);
#if ENABLE_JAVA_DEBUGGER
if (_debugger_active) {
JavaDebugger::set_stepping(value->is_stepping());
}
#endif
}
void Java_com_sun_cldc_isolate_Isolate_setPriority0() {
IsolateObj::Raw isolate_obj = GET_PARAMETER_AS_OOP(0);
const jint new_priority = KNI_GetParameterAsInt(1);
// new_priority tested at java level, should never be out of range
GUARANTEE(new_priority >= Task::PRIORITY_MIN &&
new_priority <= Task::PRIORITY_MAX, "priority out of range");
Task::Raw t = isolate_obj().task();
if (t.not_null()) {
t().set_priority(new_priority);
}
}
jint IsolateObj::status( void ) const {
Task::Raw t = task();
if (t.is_null()) {
if (is_terminated()) {
return Task::TASK_STOPPED;
} else {
return Task::TASK_NEW;
}
} else {
return t().status();
}
}
jint IsolateObj::exit_code( void ) const {
// Always fetch the exit code from the Task, if the Task still exists
// (even if it is in the STOPPING state).
Task::Raw t = task();
return t.not_null() ? t().exit_code() : saved_exit_code();
}
jint IsolateObj::task_id( void ) const {
Task::Raw t = task();
return t.not_null() ? t().task_id() : Task::INVALID_TASK_ID;
}