Wed, 25 Aug 2010 05:27:54 -0700
6978355: renaming for 6961697
Summary: This is the renaming part of 6961697 to keep the actual changes small for review.
Reviewed-by: kvn, never
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 //
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 }