b1cfdfafe2
Preventing GCs to occur before VM is completely initialized. This was previously partly done by one part of the GC locker which not was removed. Reviewed-by: coleenp, pliden
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
|
|
* Copyright (c) 2000, 2012, 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP
|
|
#define SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP
|
|
|
|
#include "memory/gcLocker.hpp"
|
|
|
|
inline void GC_locker::lock_critical(JavaThread* thread) {
|
|
if (!thread->in_critical()) {
|
|
if (needs_gc()) {
|
|
// jni_lock call calls enter_critical under the lock so that the
|
|
// global lock count and per thread count are in agreement.
|
|
jni_lock(thread);
|
|
return;
|
|
}
|
|
increment_debug_jni_lock_count();
|
|
}
|
|
thread->enter_critical();
|
|
}
|
|
|
|
inline void GC_locker::unlock_critical(JavaThread* thread) {
|
|
if (thread->in_last_critical()) {
|
|
if (needs_gc()) {
|
|
// jni_unlock call calls exit_critical under the lock so that
|
|
// the global lock count and per thread count are in agreement.
|
|
jni_unlock(thread);
|
|
return;
|
|
}
|
|
decrement_debug_jni_lock_count();
|
|
}
|
|
thread->exit_critical();
|
|
}
|
|
|
|
#endif // SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP
|