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1 /*
2  * Copyright (C) 2009 Apple Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23  * THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #include "config.h"
27 #include "LoaderRunLoopCF.h"
28 
29 #if USE(CFNETWORK)
30 
31 #include <CoreFoundation/CoreFoundation.h>
32 #include <wtf/Threading.h>
33 
34 namespace WebCore {
35 
36 static CFRunLoopRef loaderRunLoopObject = 0;
37 
emptyPerform(void *)38 static void emptyPerform(void*)
39 {
40 }
41 
runLoaderThread(void *)42 static void* runLoaderThread(void*)
43 {
44     loaderRunLoopObject = CFRunLoopGetCurrent();
45 
46     // Must add a source to the run loop to prevent CFRunLoopRun() from exiting.
47     CFRunLoopSourceContext ctxt = {0, (void*)1 /*must be non-NULL*/, 0, 0, 0, 0, 0, 0, 0, emptyPerform};
48     CFRunLoopSourceRef bogusSource = CFRunLoopSourceCreate(0, 0, &ctxt);
49     CFRunLoopAddSource(loaderRunLoopObject, bogusSource, kCFRunLoopDefaultMode);
50 
51     CFRunLoopRun();
52 
53     return 0;
54 }
55 
loaderRunLoop()56 CFRunLoopRef loaderRunLoop()
57 {
58     ASSERT(isMainThread());
59     if (!loaderRunLoopObject) {
60         createThread(runLoaderThread, 0, "WebCore: CFNetwork Loader");
61         while (!loaderRunLoopObject) {
62             // FIXME: Sleep 10? that can't be right...
63             Sleep(10);
64         }
65     }
66     return loaderRunLoopObject;
67 }
68 
69 } // namespace WebCore
70 
71 #endif // USE(CFNETWORK)
72