Mercurial > hg > truffle

comparison src/share/vm/compiler/abstractCompiler.cpp @ 0:a61af66fc99e jdk7-b24

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
comparison
equal deleted inserted replaced
-1:000000000000 0:a61af66fc99e
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 //
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
47
48 // Compiler(s) run as native
49
50 (*f)();
51
52 // To in_vm so we can use the lock
53
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 }