Attachment 372332 Details for Bug 198957 – Patch

[patch] Patch

bug-198957-20190618182806.patch (text/plain), 8.87 KB, created by Fujii Hironori on 2019-06-18 02:28:08 PDT

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Creator: Fujii Hironori

Created: 2019-06-18 02:28:08 PDT

Size: 8.87 KB

patch

obsolete

>Subversion Revision: 246534
>diff --git a/Source/WTF/ChangeLog b/Source/WTF/ChangeLog
>index 26049362030fffd6844826caf0a515196859132b..1cec3af1253795e30c81a955e1628a6029264bd1 100644
>--- a/Source/WTF/ChangeLog
>+++ b/Source/WTF/ChangeLog
>@@ -1,3 +1,21 @@
>+2019-06-18  Fujii Hironori  <Hironori.Fujii@sony.com>
>+
>+        Add WTF::crossThreadCopy(T&&) to utilize String::isolatedCopy() &&
>+        https://bugs.webkit.org/show_bug.cgi?id=198957
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        &&-qualified String::isolatedCopy() has a optimization path which
>+        does just WTFMove if it isSafeToSendToAnotherThread which means
>+        the object hasOneRef.
>+
>+        However, WTF::crossThreadCopy was using only &-qualified
>+        isolatedCopy. To use the optimization, added
>+        WTF::crossThreadCopy(T&&) overloading.
>+
>+        * wtf/CrossThreadCopier.h:
>+        (WTF::crossThreadCopy): Added a overload of (T&&).
>+
> 2019-06-17  Jiewen Tan  <jiewen_tan@apple.com>
> 
>         Move SOAuthorization from WebKitAdditions to WebKit
>diff --git a/Source/WTF/wtf/CrossThreadCopier.h b/Source/WTF/wtf/CrossThreadCopier.h
>index 633878ae938869db3b315471020897bca079f0c6..c53373a86073530757551c9f3e1751ed0f6cb214 100644
>--- a/Source/WTF/wtf/CrossThreadCopier.h
>+++ b/Source/WTF/wtf/CrossThreadCopier.h
>@@ -31,6 +31,7 @@
> 
> #pragma once
> 
>+#include <type_traits>
> #include <wtf/Assertions.h>
> #include <wtf/Forward.h>
> #include <wtf/HashSet.h>
>@@ -77,9 +78,9 @@ template<typename T> struct CrossThreadCopierBase<true, false, T> : public Cross
> 
> // Classes that have an isolatedCopy() method get a default specialization.
> template<class T> struct CrossThreadCopierBase<false, false, T> {
>-    static T copy(const T& value)
>+    template<typename U> static auto copy(U&& value)
>     {
>-        return value.isolatedCopy();
>+        return std::forward<U>(value).isolatedCopy();
>     }
> };
> 
>@@ -153,12 +154,24 @@ template<typename T> struct CrossThreadCopierBase<false, false, Optional<T>> {
>             return WTF::nullopt;
>         return CrossThreadCopier<T>::copy(*source);
>     }
>+
>+    static Type copy(Type&& source)
>+    {
>+        if (!source)
>+            return WTF::nullopt;
>+        return CrossThreadCopier<T>::copy(WTFMove(*source));
>+    }
> };
> 
> template<typename T> T crossThreadCopy(const T& source)
> {
>     return CrossThreadCopier<T>::copy(source);
> }
>+
>+template<typename T> auto crossThreadCopy(T&& source)
>+{
>+    return CrossThreadCopier<std::remove_reference_t<T>>::copy(std::forward<T>(source));
>+}
>     
> } // namespace WTF
> 
>diff --git a/Tools/ChangeLog b/Tools/ChangeLog
>index 09cccc2467edeb892ac4b5b13a63f3638741f7f5..7902f7656b41de6f2be6759a5c8c2d1d0a94df27 100644
>--- a/Tools/ChangeLog
>+++ b/Tools/ChangeLog
>@@ -1,3 +1,14 @@
>+2019-06-18  Fujii Hironori  <Hironori.Fujii@sony.com>
>+
>+        Add WTF::crossThreadCopy(T&&) to utilize String::isolatedCopy() &&
>+        https://bugs.webkit.org/show_bug.cgi?id=198957
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * TestWebKitAPI/CMakeLists.txt:
>+        * TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj:
>+        * TestWebKitAPI/Tests/WTF/CrossThreadCopier.cpp: Added.
>+
> 2019-06-18  Dan Bernstein  <mitz@apple.com>
> 
>         Revert workaround for bug 198904 from run-webkit-archive
>diff --git a/Tools/TestWebKitAPI/CMakeLists.txt b/Tools/TestWebKitAPI/CMakeLists.txt
>index 7adb608eeaa611b66b1ed5074a5917d0a0df8548..619e78d39fddd10cde5b9778220a247e20ef6a0c 100644
>--- a/Tools/TestWebKitAPI/CMakeLists.txt
>+++ b/Tools/TestWebKitAPI/CMakeLists.txt
>@@ -30,6 +30,7 @@ set(TestWTF_SOURCES
>     Tests/WTF/CheckedArithmeticOperations.cpp
>     Tests/WTF/ConcurrentPtrHashSet.cpp
>     Tests/WTF/Condition.cpp
>+    Tests/WTF/CrossThreadCopier.cpp
>     Tests/WTF/CrossThreadTask.cpp
>     Tests/WTF/DateMath.cpp
>     Tests/WTF/Deque.cpp
>diff --git a/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj b/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj
>index 864729a99db43355650ba417c99f468d32149750..5100f443b5ac8757ac809ceba31a4ccc75e19283 100644
>--- a/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj
>+++ b/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj
>@@ -1469,6 +1469,7 @@
> 		26F52EB018288F0F0023D412 /* geolocationWatchPosition.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = geolocationWatchPosition.html; sourceTree = "<group>"; };
> 		26F52EB118288F0F0023D412 /* geolocationWatchPositionWithHighAccuracy.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = geolocationWatchPositionWithHighAccuracy.html; sourceTree = "<group>"; };
> 		26F6E1EF1ADC749B00DE696B /* DFAMinimizer.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = DFAMinimizer.cpp; sourceTree = "<group>"; };
>+		278DE64B22B8D611004E0E7A /* CrossThreadCopier.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = CrossThreadCopier.cpp; sourceTree = "<group>"; };
> 		290A9BB51735DE8A00D71BBC /* CloseNewWindowInNavigationPolicyDelegate.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = CloseNewWindowInNavigationPolicyDelegate.mm; sourceTree = "<group>"; };
> 		290A9BB81735F42300D71BBC /* OpenNewWindow.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = OpenNewWindow.html; sourceTree = "<group>"; };
> 		290F4274172A1FDE00939FF0 /* custom-protocol-sync-xhr.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = "custom-protocol-sync-xhr.html"; sourceTree = "<group>"; };
>@@ -3397,6 +3398,7 @@
> 				A7A966DA140ECCC8005EF9B4 /* CheckedArithmeticOperations.cpp */,
> 				0F30CB5B1FCE1792004B5323 /* ConcurrentPtrHashSet.cpp */,
> 				0FEAE3671B7D19CB00CE17F2 /* Condition.cpp */,
>+				278DE64B22B8D611004E0E7A /* CrossThreadCopier.cpp */,
> 				51714EB91D087416004723C4 /* CrossThreadTask.cpp */,
> 				26A2C72E15E2E73C005B1A14 /* CString.cpp */,
> 				7AA021BA1AB09EA70052953F /* DateMath.cpp */,
>diff --git a/Tools/TestWebKitAPI/Tests/WTF/CrossThreadCopier.cpp b/Tools/TestWebKitAPI/Tests/WTF/CrossThreadCopier.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..5a287b8d217fe883f7a2f484f52fe36b757dc5c0
>--- /dev/null
>+++ b/Tools/TestWebKitAPI/Tests/WTF/CrossThreadCopier.cpp
>@@ -0,0 +1,72 @@
>+/*
>+ * Copyright (C) 2019 Sony Interactive Entertainment Inc.
>+ *
>+ * 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 "config.h"
>+#include <wtf/CrossThreadCopier.h>
>+
>+#include <wtf/Optional.h>
>+#include <wtf/text/WTFString.h>
>+
>+namespace TestWebKitAPI {
>+
>+TEST(WTF_CrossThreadCopier, CopyString)
>+{
>+    String original { "1234" };
>+    auto copy = crossThreadCopy(original);
>+    EXPECT_TRUE(original.impl()->hasOneRef());
>+    EXPECT_TRUE(copy.impl()->hasOneRef());
>+    EXPECT_FALSE(original.impl() == copy.impl());
>+}
>+
>+TEST(WTF_CrossThreadCopier, NotCopyString)
>+{
>+    String original { "1234" };
>+    auto copy = crossThreadCopy(WTFMove(original));
>+    EXPECT_TRUE(copy.impl()->hasOneRef());
>+    // moved-out RefPtr becomes nullptr
>+    EXPECT_EQ(nullptr, original.impl());
>+}
>+
>+TEST(WTF_CrossThreadCopier, CopyOptionalString)
>+{
>+    Optional<String> original { "1234" };
>+    auto copy = crossThreadCopy(original);
>+    EXPECT_TRUE(original->impl()->hasOneRef());
>+    EXPECT_TRUE(copy->impl()->hasOneRef());
>+    EXPECT_FALSE(original->impl() == copy->impl());
>+}
>+
>+TEST(WTF_CrossThreadCopier, NotCopyOptionalString)
>+{
>+    Optional<String> original { "1234" };
>+    auto copy = crossThreadCopy(WTFMove(original));
>+    EXPECT_TRUE(copy->impl()->hasOneRef());
>+    // moved-out RefPtr becomes nullptr
>+    EXPECT_EQ(nullptr, original->impl());
>+}
>+
>+
>+
>+} // namespace TestWebKitAPI

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Attachments on bug 198957: 372330 | 372332 | 372422