1 /*
   2  * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP
  26 #define SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP
  27 
  28 #include "memory/gcLocker.hpp"
  29 
















  30 inline void GC_locker::lock_critical(JavaThread* thread) {
  31   if (!thread->in_critical()) {
  32     if (needs_gc()) {
  33       // jni_lock call calls enter_critical under the lock so that the
  34       // global lock count and per thread count are in agreement.
  35       jni_lock(thread);
  36       return;
  37     }
  38     increment_debug_jni_lock_count();
  39   }
  40   thread->enter_critical();
  41 }
  42 
  43 inline void GC_locker::unlock_critical(JavaThread* thread) {
  44   if (thread->in_last_critical()) {
  45     if (needs_gc()) {
  46       // jni_unlock call calls exit_critical under the lock so that
  47       // the global lock count and per thread count are in agreement.
  48       jni_unlock(thread);
  49       return;
  50     }
  51     decrement_debug_jni_lock_count();
  52   }
  53   thread->exit_critical();
  54 }
  55 
  56 #endif // SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP
--- EOF ---