1 //
   2 // Copyright (c) 2007, 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 #include "incls/_precompiled.incl"
  25 #include "incls/_abstractCompiler.cpp.incl"
  26 



  27 void AbstractCompiler::initialize_runtimes(initializer f, volatile int* state) {
  28   if (*state != initialized) {
  29 
  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

   1 //
   2 // Copyright (c) 2007, 2010, 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 #include "precompiled.hpp"
  26 #include "compiler/abstractCompiler.hpp"
  27 #include "runtime/mutexLocker.hpp"
  28 void AbstractCompiler::initialize_runtimes(initializer f, volatile int* state) {
  29   if (*state != initialized) {
  30 
  31     // We are thread in native here...
  32     CompilerThread* thread = CompilerThread::current();
  33     bool do_initialization = false;
  34     {
  35       ThreadInVMfromNative tv(thread);
  36       MutexLocker only_one(CompileThread_lock, thread);
  37       if ( *state == uninitialized) {
  38         do_initialization = true;
  39         *state = initializing;
  40       } else {
  41         while (*state == initializing ) {
  42           CompileThread_lock->wait();
  43         }
  44       }
  45     }
  46     if (do_initialization) {
  47       // We can not hold any locks here since JVMTI events may call agents