jdk8-mips64-public/hotspot: src/share/vm/memory/gcLocker.inline.hpp@b985cbb00e68

8223147: JFR Backport
8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens

     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  */

    25 #ifndef SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP

    26 #define SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP

    28 #include "memory/gcLocker.hpp"

    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 }

    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 }

    56 #endif // SHARE_VM_MEMORY_GCLOCKER_INLINE_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/memory/gcLocker.inline.hpp@b985cbb00e68

src/share/vm/memory/gcLocker.inline.hpp