Mercurial > hg > graal-compiler
annotate src/share/vm/compiler/abstractCompiler.cpp @ 1755:8e5955ddf8e4
6978300: G1: debug builds crash if ParallelGCThreads==0
Reviewed-by: tonyp, ysr
author | jcoomes |
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date | Wed, 25 Aug 2010 14:39:55 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 // |
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2 // Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved. |
0 | 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 // | |
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19 // Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 // or visit www.oracle.com if you need additional information or have any |
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21 // questions. |
0 | 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 } |