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      1 /*
      2  * Copyright (C) 2011 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 "InjectedBundle.h"
     28 
     29 namespace WTR {
     30 
     31 static HANDLE webProcessCrashingEvent;
     32 
     33 static LONG WINAPI exceptionFilter(EXCEPTION_POINTERS*)
     34 {
     35     // Let the UI process know right away that we crashed. It might take a long time for us to
     36     // finish crashing if a crash log is being saved.
     37     ::SetEvent(webProcessCrashingEvent);
     38 
     39     return EXCEPTION_CONTINUE_SEARCH;
     40 }
     41 
     42 void InjectedBundle::platformInitialize(WKTypeRef initializationUserData)
     43 {
     44     ::SetUnhandledExceptionFilter(exceptionFilter);
     45 
     46     ASSERT_ARG(initializationUserData, initializationUserData);
     47     ASSERT_ARG(initializationUserData, WKGetTypeID(initializationUserData) == WKStringGetTypeID());
     48 
     49     WKStringRef string = static_cast<WKStringRef>(initializationUserData);
     50     Vector<char> buffer(WKStringGetMaximumUTF8CStringSize(string));
     51     WKStringGetUTF8CString(string, buffer.data(), buffer.size());
     52 
     53     // The UI process should already have created this event. We're just getting another HANDLE to it.
     54     webProcessCrashingEvent = ::CreateEventA(0, FALSE, FALSE, buffer.data());
     55     ASSERT(webProcessCrashingEvent);
     56 }
     57 
     58 } // namespace WTR
     59