1 /*
   2  * Copyright (c) 2003, 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 
  25 # include "incls/_precompiled.incl"
  26 # include "incls/_jvmtiRawMonitor.cpp.incl"


  27 
  28 GrowableArray<JvmtiRawMonitor*> *JvmtiPendingMonitors::_monitors = new (ResourceObj::C_HEAP) GrowableArray<JvmtiRawMonitor*>(1,true);
  29 
  30 void JvmtiPendingMonitors::transition_raw_monitors() {
  31   assert((Threads::number_of_threads()==1),
  32          "Java thread has not created yet or more than one java thread \
  33 is running. Raw monitor transition will not work");
  34   JavaThread *current_java_thread = JavaThread::current();
  35   assert(current_java_thread->thread_state() == _thread_in_vm, "Must be in vm");
  36   {
  37     ThreadBlockInVM __tbivm(current_java_thread);
  38     for(int i=0; i< count(); i++) {
  39       JvmtiRawMonitor *rmonitor = monitors()->at(i);
  40       int r = rmonitor->raw_enter(current_java_thread);
  41       assert(r == ObjectMonitor::OM_OK, "raw_enter should have worked");
  42     }
  43   }
  44   // pending monitors are converted to real monitor so delete them all.
  45   dispose();
  46 }

   1 /*
   2  * Copyright (c) 2003, 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 "prims/jvmtiRawMonitor.hpp"
  27 #include "runtime/interfaceSupport.hpp"
  28 #include "runtime/thread.hpp"
  29 
  30 GrowableArray<JvmtiRawMonitor*> *JvmtiPendingMonitors::_monitors = new (ResourceObj::C_HEAP) GrowableArray<JvmtiRawMonitor*>(1,true);
  31 
  32 void JvmtiPendingMonitors::transition_raw_monitors() {
  33   assert((Threads::number_of_threads()==1),
  34          "Java thread has not created yet or more than one java thread \
  35 is running. Raw monitor transition will not work");
  36   JavaThread *current_java_thread = JavaThread::current();
  37   assert(current_java_thread->thread_state() == _thread_in_vm, "Must be in vm");
  38   {
  39     ThreadBlockInVM __tbivm(current_java_thread);
  40     for(int i=0; i< count(); i++) {
  41       JvmtiRawMonitor *rmonitor = monitors()->at(i);
  42       int r = rmonitor->raw_enter(current_java_thread);
  43       assert(r == ObjectMonitor::OM_OK, "raw_enter should have worked");
  44     }
  45   }
  46   // pending monitors are converted to real monitor so delete them all.
  47   dispose();
  48 }