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8237756: Backout: JDK-8230594: Allow direct handshakes without VMThread intervention

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Backout JDK-8230594

Reviewed-by: coleenp, dcubed
This commit is contained in:
Patricio Chilano Mateo 2020-01-23 17:26:52 +00:00
parent 94bb505c94
commit 5e9d3fdc9c
9 changed files with 161 additions and 346 deletions
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4
src/hotspot/share/runtime/mutexLocker.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -189,7 +189,7 @@ void assert_lock_strong(const Mutex* lock) {
}
void assert_locked_or_safepoint_or_handshake(const Mutex* lock, const JavaThread* thread) {
if (Thread::current() == thread->get_active_handshaker()) return;
if (Thread::current()->is_VM_thread() && thread->is_vmthread_processing_handshake()) return;
assert_locked_or_safepoint(lock);
}
#endif