1 : /* ***** BEGIN LICENSE BLOCK *****
2 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3 : *
4 : * The contents of this file are subject to the Mozilla Public License Version
5 : * 1.1 (the "License"); you may not use this file except in compliance with
6 : * the License. You may obtain a copy of the License at
7 : * http://www.mozilla.org/MPL/
8 : *
9 : * Software distributed under the License is distributed on an "AS IS" basis,
10 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 : * for the specific language governing rights and limitations under the
12 : * License.
13 : *
14 : * The Original Code is Cycle Collector.
15 : *
16 : * The Initial Developer of the Original Code is
17 : * Mozilla Foundation.
18 : * Portions created by the Initial Developer are Copyright (C) 2010
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : *
23 : * Alternatively, the contents of this file may be used under the terms of
24 : * either the GNU General Public License Version 2 or later (the "GPL"), or
25 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
26 : * in which case the provisions of the GPL or the LGPL are applicable instead
27 : * of those above. If you wish to allow use of your version of this file only
28 : * under the terms of either the GPL or the LGPL, and not to allow others to
29 : * use your version of this file under the terms of the MPL, indicate your
30 : * decision by deleting the provisions above and replace them with the notice
31 : * and other provisions required by the GPL or the LGPL. If you do not delete
32 : * the provisions above, a recipient may use your version of this file under
33 : * the terms of any one of the MPL, the GPL or the LGPL.
34 : *
35 : * ***** END LICENSE BLOCK ***** */
36 :
37 : #include "nsCycleCollectorUtils.h"
38 :
39 : #include "prthread.h"
40 : #include "nsCOMPtr.h"
41 : #include "nsServiceManagerUtils.h"
42 : #include "nsXPCOMCIDInternal.h"
43 :
44 : #include "nsIThreadManager.h"
45 :
46 : #if defined(XP_WIN)
47 : #include "windows.h"
48 : #endif
49 :
50 : #ifndef MOZILLA_INTERNAL_API
51 :
52 : bool
53 166408 : NS_IsCycleCollectorThread()
54 : {
55 166408 : bool result = false;
56 : nsCOMPtr<nsIThreadManager> mgr =
57 332816 : do_GetService(NS_THREADMANAGER_CONTRACTID);
58 166408 : if (mgr)
59 158361 : mgr->GetIsCycleCollectorThread(&result);
60 166408 : return bool(result);
61 : }
62 :
63 : #elif defined(XP_WIN)
64 :
65 : // Defined in nsThreadManager.cpp.
66 : extern DWORD gTLSThreadIDIndex;
67 :
68 : bool
69 : NS_IsCycleCollectorThread()
70 : {
71 : return TlsGetValue(gTLSThreadIDIndex) ==
72 : (void*) mozilla::threads::CycleCollector;
73 : }
74 :
75 : #elif !defined(NS_TLS)
76 :
77 : // Defined in nsCycleCollector.cpp
78 : extern PRThread* gCycleCollectorThread;
79 :
80 : bool
81 : NS_IsCycleCollectorThread()
82 : {
83 : return PR_GetCurrentThread() == gCycleCollectorThread;
84 : }
85 :
86 : #endif
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