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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/184449">184449</a></dd>
<dt>Author</dt> <dd>carlosgc@webkit.org</dd>
<dt>Date</dt> <dd>2015-05-17 23:31:25 -0700 (Sun, 17 May 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>Network Cache: Make Data::adoptMap take the ownership of the file descriptor
https://bugs.webkit.org/show_bug.cgi?id=144950

Reviewed by Antti Koivisto.

It will be required to implement ShareableResource for soup
network backend. Also move the common code of Data to a common
file and add mapToFile(). The mapFile version that receives a file
descriptor has been renamed to adoptAndMapFile().

* CMakeLists.txt: Add new file to compilation.
* NetworkProcess/cache/NetworkCacheBlobStorage.cpp:
(WebKit::NetworkCache::BlobStorage::add): Use mapToFile().
* NetworkProcess/cache/NetworkCacheData.cpp: Added.
(WebKit::NetworkCache::Data::mapToFile): Write the data to the
given file and map it.
(WebKit::NetworkCache::mapFile):
(WebKit::NetworkCache::adoptAndMapFile):
(WebKit::NetworkCache::computeSHA1):
(WebKit::NetworkCache::bytesEqual):
* NetworkProcess/cache/NetworkCacheData.h:
* NetworkProcess/cache/NetworkCacheDataCocoa.mm:
(WebKit::NetworkCache::Data::adoptMap): Close the file descriptor.
* NetworkProcess/cache/NetworkCacheDataSoup.cpp:
(WebKit::NetworkCache::Data::Data): Use a constructor that
receives a file descriptor instead of the one receiving
Backing. If the file descriptor is not -1 then the Data is a map.
(WebKit::NetworkCache::MapWrapper::~MapWrapper): Also close the
file descriptor.
(WebKit::NetworkCache::Data::adoptMap): Pass the file descriptor
to the MapWrapper and create the Data passing the file descriptor.
* UIProcess/API/APIUserContentExtensionStore.cpp:
(API::openAndMapContentExtension): Use mapFile that receives a
file path.
(API::compiledToFile): Use adoptAndMapFile() and don't close the
descriptor.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2CMakeListstxt">trunk/Source/WebKit2/CMakeLists.txt</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheBlobStoragecpp">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheBlobStorage.cpp</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheDatah">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheData.h</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheDataCocoamm">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheDataCocoa.mm</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheDataSoupcpp">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheDataSoup.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPIAPIUserContentExtensionStorecpp">trunk/Source/WebKit2/UIProcess/API/APIUserContentExtensionStore.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebKit2xcodeprojprojectpbxproj">trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheDatacpp">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheData.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2CMakeListstxt"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/CMakeLists.txt (184448 => 184449)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/CMakeLists.txt        2015-05-18 06:26:10 UTC (rev 184448)
+++ trunk/Source/WebKit2/CMakeLists.txt        2015-05-18 06:31:25 UTC (rev 184449)
</span><span class="lines">@@ -165,6 +165,7 @@
</span><span class="cx">     NetworkProcess/cache/NetworkCache.cpp
</span><span class="cx">     NetworkProcess/cache/NetworkCacheBlobStorage.cpp
</span><span class="cx">     NetworkProcess/cache/NetworkCacheCoders.cpp
</span><ins>+    NetworkProcess/cache/NetworkCacheData.cpp
</ins><span class="cx">     NetworkProcess/cache/NetworkCacheDecoder.cpp
</span><span class="cx">     NetworkProcess/cache/NetworkCacheEncoder.cpp
</span><span class="cx">     NetworkProcess/cache/NetworkCacheEntry.cpp
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (184448 => 184449)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2015-05-18 06:26:10 UTC (rev 184448)
+++ trunk/Source/WebKit2/ChangeLog        2015-05-18 06:31:25 UTC (rev 184449)
</span><span class="lines">@@ -1,3 +1,42 @@
</span><ins>+2015-05-17  Carlos Garcia Campos  &lt;cgarcia@igalia.com&gt;
+
+        Network Cache: Make Data::adoptMap take the ownership of the file descriptor
+        https://bugs.webkit.org/show_bug.cgi?id=144950
+
+        Reviewed by Antti Koivisto.
+
+        It will be required to implement ShareableResource for soup
+        network backend. Also move the common code of Data to a common
+        file and add mapToFile(). The mapFile version that receives a file
+        descriptor has been renamed to adoptAndMapFile().
+
+        * CMakeLists.txt: Add new file to compilation.
+        * NetworkProcess/cache/NetworkCacheBlobStorage.cpp:
+        (WebKit::NetworkCache::BlobStorage::add): Use mapToFile().
+        * NetworkProcess/cache/NetworkCacheData.cpp: Added.
+        (WebKit::NetworkCache::Data::mapToFile): Write the data to the
+        given file and map it.
+        (WebKit::NetworkCache::mapFile):
+        (WebKit::NetworkCache::adoptAndMapFile):
+        (WebKit::NetworkCache::computeSHA1):
+        (WebKit::NetworkCache::bytesEqual):
+        * NetworkProcess/cache/NetworkCacheData.h:
+        * NetworkProcess/cache/NetworkCacheDataCocoa.mm:
+        (WebKit::NetworkCache::Data::adoptMap): Close the file descriptor.
+        * NetworkProcess/cache/NetworkCacheDataSoup.cpp:
+        (WebKit::NetworkCache::Data::Data): Use a constructor that
+        receives a file descriptor instead of the one receiving
+        Backing. If the file descriptor is not -1 then the Data is a map.
+        (WebKit::NetworkCache::MapWrapper::~MapWrapper): Also close the
+        file descriptor.
+        (WebKit::NetworkCache::Data::adoptMap): Pass the file descriptor
+        to the MapWrapper and create the Data passing the file descriptor.
+        * UIProcess/API/APIUserContentExtensionStore.cpp:
+        (API::openAndMapContentExtension): Use mapFile that receives a
+        file path.
+        (API::compiledToFile): Use adoptAndMapFile() and don't close the
+        descriptor.
+
</ins><span class="cx"> 2015-05-16  Andy Estes  &lt;aestes@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [iOS] WKPDFView should not follow javascript: links
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheBlobStoragecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheBlobStorage.cpp (184448 => 184449)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheBlobStorage.cpp        2015-05-18 06:26:10 UTC (rev 184448)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheBlobStorage.cpp        2015-05-18 06:31:25 UTC (rev 184449)
</span><span class="lines">@@ -101,37 +101,13 @@
</span><span class="cx">         unlink(blobPath.data());
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    int fd = open(blobPath.data(), O_CREAT | O_EXCL | O_RDWR , S_IRUSR | S_IWUSR);
-    if (fd &lt; 0)
</del><ins>+    auto mappedData = data.mapToFile(blobPath.data());
+    if (mappedData.isNull())
</ins><span class="cx">         return { };
</span><span class="cx"> 
</span><del>-    size_t size = data.size();
-    if (ftruncate(fd, size) &lt; 0) {
-        close(fd);
-        return { };
-    }
-
-    void* map = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
-    close(fd);
-
-    if (map == MAP_FAILED)
-        return { };
-
-    uint8_t* mapData = static_cast&lt;uint8_t*&gt;(map);
-    data.apply([&amp;mapData](const uint8_t* bytes, size_t bytesSize) {
-        memcpy(mapData, bytes, bytesSize);
-        mapData += bytesSize;
-        return true;
-    });
-
-    // Drop the write permission.
-    mprotect(map, size, PROT_READ);
-
-    auto mappedData = Data::adoptMap(map, size);
-
</del><span class="cx">     link(blobPath.data(), linkPath.data());
</span><span class="cx"> 
</span><del>-    m_approximateSize += size;
</del><ins>+    m_approximateSize += mappedData.size();
</ins><span class="cx"> 
</span><span class="cx">     return { mappedData, hash };
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheDatacppfromrev184448trunkSourceWebKit2NetworkProcesscacheNetworkCacheDataCocoamm"></a>
<div class="copfile"><h4>Copied: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheData.cpp (from rev 184448, trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheDataCocoa.mm) (0 => 184449)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheData.cpp                                (rev 0)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheData.cpp        2015-05-18 06:31:25 UTC (rev 184449)
</span><span class="lines">@@ -0,0 +1,125 @@
</span><ins>+/*
+ * Copyright (C) 2015 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include &quot;config.h&quot;
+#include &quot;NetworkCacheData.h&quot;
+
+#if ENABLE(NETWORK_CACHE)
+
+#include &lt;fcntl.h&gt;
+#include &lt;sys/mman.h&gt;
+#include &lt;sys/stat.h&gt;
+
+namespace WebKit {
+namespace NetworkCache {
+
+Data Data::mapToFile(const char* path) const
+{
+    int fd = open(path, O_CREAT | O_EXCL | O_RDWR , S_IRUSR | S_IWUSR);
+    if (fd &lt; 0)
+        return { };
+
+    if (ftruncate(fd, m_size) &lt; 0) {
+        close(fd);
+        return { };
+    }
+
+    void* map = mmap(nullptr, m_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+    if (map == MAP_FAILED) {
+        close(fd);
+        return { };
+    }
+
+    uint8_t* mapData = static_cast&lt;uint8_t*&gt;(map);
+    apply([&amp;mapData](const uint8_t* bytes, size_t bytesSize) {
+        memcpy(mapData, bytes, bytesSize);
+        mapData += bytesSize;
+        return true;
+    });
+
+    // Drop the write permission.
+    mprotect(map, m_size, PROT_READ);
+
+    return Data::adoptMap(map, m_size, fd);
+}
+
+Data mapFile(const char* path)
+{
+    int fd = open(path, O_RDONLY, 0);
+    if (fd &lt; 0)
+        return { };
+    struct stat stat;
+    if (fstat(fd, &amp;stat) &lt; 0) {
+        close(fd);
+        return { };
+    }
+    size_t size = stat.st_size;
+    if (!size) {
+        close(fd);
+        return Data::empty();
+    }
+
+    return adoptAndMapFile(fd, 0, size);
+}
+
+Data adoptAndMapFile(int fd, size_t offset, size_t size)
+{
+    if (!size)
+        return Data::empty();
+
+    void* map = mmap(nullptr, size, PROT_READ, MAP_PRIVATE, fd, offset);
+    if (map == MAP_FAILED) {
+        close(fd);
+        return { };
+    }
+
+    return Data::adoptMap(map, size, fd);
+}
+
+SHA1::Digest computeSHA1(const Data&amp; data)
+{
+    SHA1 sha1;
+    data.apply([&amp;sha1](const uint8_t* data, size_t size) {
+        sha1.addBytes(data, size);
+        return true;
+    });
+    SHA1::Digest digest;
+    sha1.computeHash(digest);
+    return digest;
+}
+
+bool bytesEqual(const Data&amp; a, const Data&amp; b)
+{
+    if (a.isNull() || b.isNull())
+        return false;
+    if (a.size() != b.size())
+        return false;
+    return !memcmp(a.data(), b.data(), a.size());
+}
+
+} // namespace NetworkCache
+} // namespace WebKit
+
+#endif // #if ENABLE(NETWORK_CACHE)
</ins></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheDatah"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheData.h (184448 => 184449)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheData.h        2015-05-18 06:26:10 UTC (rev 184448)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheData.h        2015-05-18 06:31:25 UTC (rev 184449)
</span><span class="lines">@@ -104,14 +104,14 @@
</span><span class="cx">     Data(const uint8_t*, size_t);
</span><span class="cx"> 
</span><span class="cx">     static Data empty();
</span><del>-    static Data adoptMap(void* map, size_t);
</del><ins>+    static Data adoptMap(void* map, size_t, int fd);
</ins><span class="cx"> 
</span><ins>+#if PLATFORM(COCOA)
</ins><span class="cx">     enum class Backing { Buffer, Map };
</span><del>-#if PLATFORM(COCOA)
</del><span class="cx">     Data(DispatchPtr&lt;dispatch_data_t&gt;, Backing = Backing::Buffer);
</span><span class="cx"> #endif
</span><span class="cx"> #if USE(SOUP)
</span><del>-    Data(GRefPtr&lt;SoupBuffer&gt;&amp;&amp;, Backing = Backing::Buffer);
</del><ins>+    Data(GRefPtr&lt;SoupBuffer&gt;&amp;&amp;, int fd = -1);
</ins><span class="cx"> #endif
</span><span class="cx">     bool isNull() const;
</span><span class="cx">     bool isEmpty() const { return !m_size; }
</span><span class="lines">@@ -124,6 +124,8 @@
</span><span class="cx"> 
</span><span class="cx">     bool apply(const std::function&lt;bool (const uint8_t*, size_t)&gt;&amp;&amp;) const;
</span><span class="cx"> 
</span><ins>+    Data mapToFile(const char* path) const;
+
</ins><span class="cx"> #if PLATFORM(COCOA)
</span><span class="cx">     dispatch_data_t dispatchData() const { return m_dispatchData.get(); }
</span><span class="cx"> #endif
</span><span class="lines">@@ -137,6 +139,7 @@
</span><span class="cx"> #endif
</span><span class="cx"> #if USE(SOUP)
</span><span class="cx">     mutable GRefPtr&lt;SoupBuffer&gt; m_buffer;
</span><ins>+    int m_fileDescriptor { -1 };
</ins><span class="cx"> #endif
</span><span class="cx">     mutable const uint8_t* m_data { nullptr };
</span><span class="cx">     size_t m_size { 0 };
</span><span class="lines">@@ -145,7 +148,7 @@
</span><span class="cx"> 
</span><span class="cx"> Data concatenate(const Data&amp;, const Data&amp;);
</span><span class="cx"> bool bytesEqual(const Data&amp;, const Data&amp;);
</span><del>-Data mapFile(int fd, size_t offset, size_t);
</del><ins>+Data adoptAndMapFile(int fd, size_t offset, size_t);
</ins><span class="cx"> Data mapFile(const char* path);
</span><span class="cx"> SHA1::Digest computeSHA1(const Data&amp;);
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheDataCocoamm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheDataCocoa.mm (184448 => 184449)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheDataCocoa.mm        2015-05-18 06:26:10 UTC (rev 184448)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheDataCocoa.mm        2015-05-18 06:31:25 UTC (rev 184449)
</span><span class="lines">@@ -93,65 +93,19 @@
</span><span class="cx">     return { adoptDispatch(dispatch_data_create_concat(a.dispatchData(), b.dispatchData())) };
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-Data Data::adoptMap(void* map, size_t size)
</del><ins>+Data Data::adoptMap(void* map, size_t size, int fd)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(map &amp;&amp; map != MAP_FAILED);
</span><ins>+    close(fd);
</ins><span class="cx">     auto bodyMap = adoptDispatch(dispatch_data_create(map, size, dispatch_get_main_queue(), [map, size] {
</span><span class="cx">         munmap(map, size);
</span><span class="cx">     }));
</span><span class="cx">     return { bodyMap, Data::Backing::Map };
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-Data mapFile(int fd, size_t offset, size_t size)
-{
-    if (!size)
-        return Data::empty();
</del><span class="cx"> 
</span><del>-    void* map = mmap(nullptr, size, PROT_READ, MAP_PRIVATE, fd, offset);
-    if (map == MAP_FAILED)
-        return { };
-    return Data::adoptMap(map, size);
-}
</del><span class="cx"> 
</span><del>-Data mapFile(const char* path)
-{
-    int fd = open(path, O_RDONLY, 0);
-    if (fd &lt; 0)
-        return { };
-    struct stat stat;
-    if (fstat(fd, &amp;stat) &lt; 0) {
-        close(fd);
-        return { };
-    }
-    size_t size = stat.st_size;
-    auto data = mapFile(fd, 0, size);
-    close(fd);
-
-    return data;
</del><span class="cx"> }
</span><del>-
-SHA1::Digest computeSHA1(const Data&amp; data)
-{
-    SHA1 sha1;
-    data.apply([&amp;sha1](const uint8_t* data, size_t size) {
-        sha1.addBytes(data, size);
-        return true;
-    });
-    SHA1::Digest digest;
-    sha1.computeHash(digest);
-    return digest;
</del><span class="cx"> }
</span><span class="cx"> 
</span><del>-bool bytesEqual(const Data&amp; a, const Data&amp; b)
-{
-    if (a.isNull() || b.isNull())
-        return false;
-    if (a.size() != b.size())
-        return false;
-    return !memcmp(a.data(), b.data(), a.size());
-}
-
-}
-}
-
</del><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheDataSoupcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheDataSoup.cpp (184448 => 184449)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheDataSoup.cpp        2015-05-18 06:26:10 UTC (rev 184448)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheDataSoup.cpp        2015-05-18 06:31:25 UTC (rev 184449)
</span><span class="lines">@@ -45,10 +45,11 @@
</span><span class="cx">     m_buffer = adoptGRef(soup_buffer_new_with_owner(copiedData, size, copiedData, fastFree));
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-Data::Data(GRefPtr&lt;SoupBuffer&gt;&amp;&amp; buffer, Backing backing)
</del><ins>+Data::Data(GRefPtr&lt;SoupBuffer&gt;&amp;&amp; buffer, int fd)
</ins><span class="cx">     : m_buffer(buffer)
</span><ins>+    , m_fileDescriptor(fd)
</ins><span class="cx">     , m_size(buffer ? buffer-&gt;length : 0)
</span><del>-    , m_isMap(m_size &amp;&amp; backing == Backing::Map)
</del><ins>+    , m_isMap(m_size &amp;&amp; fd != -1)
</ins><span class="cx"> {
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -104,10 +105,12 @@
</span><span class="cx">     ~MapWrapper()
</span><span class="cx">     {
</span><span class="cx">         munmap(map, size);
</span><ins>+        close(fileDescriptor);
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     void* map;
</span><span class="cx">     size_t size;
</span><ins>+    int fileDescriptor;
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> static void deleteMapWrapper(MapWrapper* wrapper)
</span><span class="lines">@@ -115,64 +118,17 @@
</span><span class="cx">     delete wrapper;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-Data mapFile(int fd, size_t offset, size_t size)
</del><ins>+Data Data::adoptMap(void* map, size_t size, int fd)
</ins><span class="cx"> {
</span><del>-    if (!size)
-        return Data::empty();
-
-    void* map = mmap(nullptr, size, PROT_READ, MAP_PRIVATE, fd, offset);
-    if (map == MAP_FAILED)
-        return { };
-    return Data::adoptMap(map, size);
-}
-
-Data Data::adoptMap(void* map, size_t size)
-{
</del><span class="cx">     ASSERT(map);
</span><span class="cx">     ASSERT(map != MAP_FAILED);
</span><del>-    MapWrapper* wrapper = new MapWrapper { map, size };
</del><ins>+    MapWrapper* wrapper = new MapWrapper { map, size, fd };
</ins><span class="cx">     GRefPtr&lt;SoupBuffer&gt; buffer = adoptGRef(soup_buffer_new_with_owner(map, size, wrapper, reinterpret_cast&lt;GDestroyNotify&gt;(deleteMapWrapper)));
</span><del>-    return { WTF::move(buffer), Data::Backing::Map };
</del><ins>+    return { WTF::move(buffer), fd };
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-Data mapFile(const char* path)
-{
-    int fd = open(path, O_RDONLY, 0);
-    if (fd &lt; 0)
-        return { };
-    struct stat stat;
-    if (fstat(fd, &amp;stat) &lt; 0) {
-        close(fd);
-        return { };
-    }
-    size_t size = stat.st_size;
-    auto data = mapFile(fd, 0, size);
-    close(fd);
</del><span class="cx"> 
</span><del>-    return data;
-}
</del><span class="cx"> 
</span><del>-SHA1::Digest computeSHA1(const Data&amp; data)
-{
-    SHA1 sha1;
-    data.apply([&amp;sha1](const uint8_t* data, size_t size) {
-        sha1.addBytes(data, size);
-        return true;
-    });
-    SHA1::Digest digest;
-    sha1.computeHash(digest);
-    return digest;
-}
-
-bool bytesEqual(const Data&amp; a, const Data&amp; b)
-{
-    if (a.isNull() || b.isNull())
-        return false;
-    if (a.size() != b.size())
-        return false;
-    return !memcmp(a.data(), b.data(), a.size());
-}
-
</del><span class="cx"> } // namespace NetworkCache
</span><span class="cx"> } // namespace WebKit
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPIAPIUserContentExtensionStorecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/APIUserContentExtensionStore.cpp (184448 => 184449)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/APIUserContentExtensionStore.cpp        2015-05-18 06:26:10 UTC (rev 184448)
+++ trunk/Source/WebKit2/UIProcess/API/APIUserContentExtensionStore.cpp        2015-05-18 06:31:25 UTC (rev 184449)
</span><span class="lines">@@ -134,19 +134,7 @@
</span><span class="cx"> 
</span><span class="cx"> static bool openAndMapContentExtension(const String&amp; path, ContentExtensionMetaData&amp; metaData, Data&amp; fileData)
</span><span class="cx"> {
</span><del>-    auto fd = WebCore::openFile(path, WebCore::OpenForRead);
-    if (fd == WebCore::invalidPlatformFileHandle)
-        return false;
-
-    long long fileSize = 0;
-    if (!WebCore::getFileSize(fd, fileSize)) {
-        WebCore::closeFile(fd);
-        return false;
-    }
-
-    fileData = mapFile(fd, 0, static_cast&lt;size_t&gt;(fileSize));
-    WebCore::closeFile(fd);
-
</del><ins>+    fileData = mapFile(WebCore::fileSystemRepresentation(path).data());
</ins><span class="cx">     if (fileData.isNull())
</span><span class="cx">         return false;
</span><span class="cx"> 
</span><span class="lines">@@ -270,9 +258,7 @@
</span><span class="cx">     if (compilationClient.hadErrorWhileWritingToFile())
</span><span class="cx">         return UserContentExtensionStore::Error::CompileFailed;
</span><span class="cx">     
</span><del>-    mappedData = mapFile(temporaryFileHandle, 0, metaData.fileSize());
-    WebCore::closeFile(temporaryFileHandle);
-
</del><ins>+    mappedData = adoptAndMapFile(temporaryFileHandle, 0, metaData.fileSize());
</ins><span class="cx">     if (mappedData.isNull())
</span><span class="cx">         return UserContentExtensionStore::Error::CompileFailed;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2WebKit2xcodeprojprojectpbxproj"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj (184448 => 184449)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj        2015-05-18 06:26:10 UTC (rev 184448)
+++ trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj        2015-05-18 06:31:25 UTC (rev 184449)
</span><span class="lines">@@ -1790,6 +1790,7 @@
</span><span class="cx">                 E4436ECE1A0D040B00EAD204 /* NetworkCacheKey.h in Headers */ = {isa = PBXBuildFile; fileRef = E4436EC11A0CFDB200EAD204 /* NetworkCacheKey.h */; };
</span><span class="cx">                 E4436ECF1A0D040B00EAD204 /* NetworkCacheStorage.h in Headers */ = {isa = PBXBuildFile; fileRef = E4436EC21A0CFDB200EAD204 /* NetworkCacheStorage.h */; };
</span><span class="cx">                 E4436ED01A0D040B00EAD204 /* NetworkCacheStorage.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E4436EC31A0CFDB200EAD204 /* NetworkCacheStorage.cpp */; };
</span><ins>+                E47D1E981B0649FB002676A8 /* NetworkCacheData.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E47D1E961B062B66002676A8 /* NetworkCacheData.cpp */; };
</ins><span class="cx">                 E489D28A1A0A2DB80078C06A /* NetworkCacheCoder.h in Headers */ = {isa = PBXBuildFile; fileRef = E489D2831A0A2DB80078C06A /* NetworkCacheCoder.h */; };
</span><span class="cx">                 E489D28B1A0A2DB80078C06A /* NetworkCacheCoders.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E489D2841A0A2DB80078C06A /* NetworkCacheCoders.cpp */; };
</span><span class="cx">                 E489D28C1A0A2DB80078C06A /* NetworkCacheCoders.h in Headers */ = {isa = PBXBuildFile; fileRef = E489D2851A0A2DB80078C06A /* NetworkCacheCoders.h */; };
</span><span class="lines">@@ -4056,6 +4057,7 @@
</span><span class="cx">                 E4436EC11A0CFDB200EAD204 /* NetworkCacheKey.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NetworkCacheKey.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 E4436EC21A0CFDB200EAD204 /* NetworkCacheStorage.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NetworkCacheStorage.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 E4436EC31A0CFDB200EAD204 /* NetworkCacheStorage.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = NetworkCacheStorage.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><ins>+                E47D1E961B062B66002676A8 /* NetworkCacheData.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = NetworkCacheData.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</ins><span class="cx">                 E489D2831A0A2DB80078C06A /* NetworkCacheCoder.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NetworkCacheCoder.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 E489D2841A0A2DB80078C06A /* NetworkCacheCoders.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = NetworkCacheCoders.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 E489D2851A0A2DB80078C06A /* NetworkCacheCoders.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NetworkCacheCoders.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="lines">@@ -7524,6 +7526,7 @@
</span><span class="cx">                                 E489D2831A0A2DB80078C06A /* NetworkCacheCoder.h */,
</span><span class="cx">                                 E489D2841A0A2DB80078C06A /* NetworkCacheCoders.cpp */,
</span><span class="cx">                                 E489D2851A0A2DB80078C06A /* NetworkCacheCoders.h */,
</span><ins>+                                E47D1E961B062B66002676A8 /* NetworkCacheData.cpp */,
</ins><span class="cx">                                 E42E06111AA75ABD00B11699 /* NetworkCacheData.h */,
</span><span class="cx">                                 E42E06131AA75B7000B11699 /* NetworkCacheDataCocoa.mm */,
</span><span class="cx">                                 E489D2861A0A2DB80078C06A /* NetworkCacheDecoder.cpp */,
</span><span class="lines">@@ -10173,6 +10176,7 @@
</span><span class="cx">                                 2DC6D9C418C44A610043BAD4 /* WKWebViewContentProviderRegistry.mm in Sources */,
</span><span class="cx">                                 1AD60F5D18E20F4C0020C034 /* WKWindowFeatures.mm in Sources */,
</span><span class="cx">                                 BCBECDE716B6416800047A1A /* XPCServiceEntryPoint.mm in Sources */,
</span><ins>+                                E47D1E981B0649FB002676A8 /* NetworkCacheData.cpp in Sources */,
</ins><span class="cx">                         );
</span><span class="cx">                         runOnlyForDeploymentPostprocessing = 0;
</span><span class="cx">                 };
</span></span></pre>
</div>
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