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8222231: Clean up interfaceSupport.inline.hpp duplicated code

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Reviewed-by: dholmes, pchilanomate
This commit is contained in:
Coleen Phillimore 2019-04-10 17:31:31 -04:00
parent 32848d8166
commit 0314bac167
7 changed files with 35 additions and 73 deletions
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5
src/hotspot/share/runtime/thread.cpp
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@ -1837,7 +1837,7 @@ void JavaThread::run() {
// Thread is now sufficiently initialized to be handled by the safepoint code as being
// in the VM. Change thread state from _thread_new to _thread_in_vm
ThreadStateTransition::transition_and_fence(this, _thread_new, _thread_in_vm);
ThreadStateTransition::transition(this, _thread_new, _thread_in_vm);
// Before a thread is on the threads list it is always safe, so after leaving the
// _thread_new we should emit a instruction barrier. The distance to modified code
// from here is probably far enough, but this is consistent and safe.
@ -2475,11 +2475,10 @@ void JavaThread::java_suspend_self_with_safepoint_check() {
JavaThreadState state = thread_state();
set_thread_state(_thread_blocked);
java_suspend_self();
set_thread_state(state);
set_thread_state_fence(state);
// Since we are not using a regular thread-state transition helper here,
// we must manually emit the instruction barrier after leaving a safe state.
OrderAccess::cross_modify_fence();
InterfaceSupport::serialize_thread_state_with_handler(this);
if (state != _thread_in_native) {
SafepointMechanism::block_if_requested(this);
}