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/*
* Copyright (c) 2018, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#include "precompiled.hpp"
#include "code/codeBehaviours.hpp"
#include "runtime/mutexLocker.hpp"
#include "runtime/safepoint.hpp"
CompiledICProtectionBehaviour* CompiledICProtectionBehaviour::_current = NULL;
bool DefaultICProtectionBehaviour::lock(CompiledMethod* method) {
if (is_safe(method)) {
return false;
}
CompiledIC_lock->lock_without_safepoint_check();
return true;
}
void DefaultICProtectionBehaviour::unlock(CompiledMethod* method) {
CompiledIC_lock->unlock();
}
bool DefaultICProtectionBehaviour::is_safe(CompiledMethod* method) {
return SafepointSynchronize::is_at_safepoint() || CompiledIC_lock->owned_by_self();
}
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