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8054494: Remove sun.misc.Unsafe.monitorEnter, monitorExit and tryMonitorEnter

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Co-authored-by: Filipp Zhinkin <filipp.zhinkin@gmail.com>
Reviewed-by: dholmes, coleenp
This commit is contained in:
Paul Sandoz 2015-01-15 11:18:20 +01:00
parent dd5f249290
commit bfe8fc7433
4 changed files with 7 additions and 83 deletions
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14
hotspot/src/share/vm/runtime/synchronizer.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1998, 2015, 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
@ -276,18 +276,6 @@ void ObjectSynchronizer::jni_enter(Handle obj, TRAPS) {
THREAD->set_current_pending_monitor_is_from_java(true);
}
// NOTE: must use heavy weight monitor to handle jni monitor enter
bool ObjectSynchronizer::jni_try_enter(Handle obj, Thread* THREAD) {
if (UseBiasedLocking) {
BiasedLocking::revoke_and_rebias(obj, false, THREAD);
assert(!obj->mark()->has_bias_pattern(), "biases should be revoked by now");
}
ObjectMonitor* monitor = ObjectSynchronizer::inflate_helper(obj());
return monitor->try_enter(THREAD);
}
// NOTE: must use heavy weight monitor to handle jni monitor exit
void ObjectSynchronizer::jni_exit(oop obj, Thread* THREAD) {
TEVENT(jni_exit);