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8252406: Introduce Thread::as_Java_thread() convenience function

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Reviewed-by: shade, coleenp, kbarrett, dcubed
This commit is contained in:
David Holmes 2020-09-11 01:31:32 +00:00
parent 488022689f
commit 976acddeb5
110 changed files with 360 additions and 456 deletions
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10
src/hotspot/share/runtime/synchronizer.cpp
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@ -449,8 +449,7 @@ static ObjectMonitor* take_from_start_of_om_free_list(Thread* self) {
bool ObjectSynchronizer::quick_notify(oopDesc* obj, Thread* self, bool all) {
assert(!SafepointSynchronize::is_at_safepoint(), "invariant");
assert(self->is_Java_thread(), "invariant");
assert(((JavaThread *) self)->thread_state() == _thread_in_Java, "invariant");
assert(self->as_Java_thread()->thread_state() == _thread_in_Java, "invariant");
NoSafepointVerifier nsv;
if (obj == NULL) return false; // slow-path for invalid obj
const markWord mark = obj->mark();
@ -499,8 +498,7 @@ bool ObjectSynchronizer::quick_notify(oopDesc* obj, Thread* self, bool all) {
bool ObjectSynchronizer::quick_enter(oop obj, Thread* self,
BasicLock * lock) {
assert(!SafepointSynchronize::is_at_safepoint(), "invariant");
assert(self->is_Java_thread(), "invariant");
assert(((JavaThread *) self)->thread_state() == _thread_in_Java, "invariant");
assert(self->as_Java_thread()->thread_state() == _thread_in_Java, "invariant");
NoSafepointVerifier nsv;
if (obj == NULL) return false; // Need to throw NPE
@ -560,8 +558,7 @@ bool ObjectSynchronizer::quick_enter(oop obj, Thread* self,
// Handle notifications when synchronizing on primitive wrappers
void ObjectSynchronizer::handle_sync_on_primitive_wrapper(Handle obj, Thread* current) {
assert(current->is_Java_thread(), "must be for java object synchronization");
JavaThread* self = (JavaThread*) current;
JavaThread* self = current->as_Java_thread();
frame last_frame = self->last_frame();
if (last_frame.is_interpreted_frame()) {
@ -2426,7 +2423,6 @@ void ObjectSynchronizer::deflate_idle_monitors_using_JT() {
// Deflate global idle ObjectMonitors using a JavaThread.
//
void ObjectSynchronizer::deflate_global_idle_monitors_using_JT() {
assert(Thread::current()->is_Java_thread(), "precondition");
JavaThread* self = JavaThread::current();
deflate_common_idle_monitors_using_JT(true /* is_global */, self);