jdk8-mips64-public/hotspot: src/share/vm/compiler/abstractCompiler.cpp@c6ff24ceec1c

6686407: Fix for 6666698 broke -XX:BiasedLockingStartupDelay=0
Summary: Stack allocated VM_EnableBiasedLocking op must be marked as such
Reviewed-by: xlu, acorn, never, dholmes

     1 //

     2 // Copyright 2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20 // CA 95054 USA or visit www.sun.com if you need additional information or

    21 // have any questions.

    22 //

    24 #include "incls/_precompiled.incl"

    25 #include "incls/_abstractCompiler.cpp.incl"

    27 void AbstractCompiler::initialize_runtimes(initializer f, volatile int* state) {

    28   if (*state != initialized) {

    30     // We are thread in native here...

    31     CompilerThread* thread = CompilerThread::current();

    32     bool do_initialization = false;

    33     {

    34       ThreadInVMfromNative tv(thread);

    35       MutexLocker only_one(CompileThread_lock, thread);

    36       if ( *state == uninitialized) {

    37         do_initialization = true;

    38         *state = initializing;

    39       } else {

    40         while (*state == initializing ) {

    41           CompileThread_lock->wait();

    42         }

    43       }

    44     }

    45     if (do_initialization) {

    46       // We can not hold any locks here since JVMTI events may call agents

    48       // Compiler(s) run as native

    50       (*f)();

    52       // To in_vm so we can use the lock

    54       ThreadInVMfromNative tv(thread);

    55       MutexLocker only_one(CompileThread_lock, thread);

    56       assert(*state == initializing, "wrong state");

    57       *state = initialized;

    58       CompileThread_lock->notify_all();

    59     }

    60   }

    61 }

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

src/share/vm/compiler/abstractCompiler.cpp@c6ff24ceec1c

src/share/vm/compiler/abstractCompiler.cpp