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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 #include <wtf/Threading.h>
     30 
     31 namespace WebCore {
     32 
     33 static CFRunLoopRef loaderRunLoopObject = 0;
     34 
     35 static void emptyPerform(void*)
     36 {
     37 }
     38 
     39 static void* runLoaderThread(void*)
     40 {
     41     loaderRunLoopObject = CFRunLoopGetCurrent();
     42 
     43     // Must add a source to the run loop to prevent CFRunLoopRun() from exiting.
     44     CFRunLoopSourceContext ctxt = {0, (void*)1 /*must be non-NULL*/, 0, 0, 0, 0, 0, 0, 0, emptyPerform};
     45     CFRunLoopSourceRef bogusSource = CFRunLoopSourceCreate(0, 0, &ctxt);
     46     CFRunLoopAddSource(loaderRunLoopObject, bogusSource, kCFRunLoopDefaultMode);
     47 
     48     CFRunLoopRun();
     49 
     50     return 0;
     51 }
     52 
     53 CFRunLoopRef loaderRunLoop()
     54 {
     55     ASSERT(isMainThread());
     56     if (!loaderRunLoopObject) {
     57         createThread(runLoaderThread, 0, "WebCore: CFNetwork Loader");
     58         while (!loaderRunLoopObject) {
     59             // FIXME: Sleep 10? that can't be right...
     60             Sleep(10);
     61         }
     62     }
     63     return loaderRunLoopObject;
     64 }
     65 
     66 }
     67