Title: [193596] tags/Safari-602.1.13.1
Revision
193596
Author
bshaf...@apple.com
Date
2015-12-06 14:23:40 -0800 (Sun, 06 Dec 2015)

Log Message

Roll out r192808.  rdar://problem/23763584

Modified Paths

Added Paths

Diff

Modified: tags/Safari-602.1.13.1/Source/WebKit2/ChangeLog (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/ChangeLog	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/ChangeLog	2015-12-06 22:23:40 UTC (rev 193596)
@@ -1,3 +1,7 @@
+2015-12-06  Babak Shafiei  <bshaf...@apple.com>
+
+        Roll out r192808.
+
 2015-12-01  Commit Queue  <commit-qu...@webkit.org>
 
         Unreviewed, rolling out r192914.

Modified: tags/Safari-602.1.13.1/Source/WebKit2/Shared/API/c/WKDeprecatedFunctions.cpp (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/Shared/API/c/WKDeprecatedFunctions.cpp	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/Shared/API/c/WKDeprecatedFunctions.cpp	2015-12-06 22:23:40 UTC (rev 193596)
@@ -139,15 +139,6 @@
 {
 }
 
-void WKContextSetProcessModel(WKContextRef, WKProcessModel)
-{
-}
-
-WKProcessModel WKContextGetProcessModel(WKContextRef)
-{
-    return kWKProcessModelMultipleSecondaryProcesses;
-}
-
 #if PLATFORM(MAC)
 CGContextRef WKGraphicsContextGetCGContext(WKGraphicsContextRef graphicsContext)
 {

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/APIProcessPoolConfiguration.cpp (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/APIProcessPoolConfiguration.cpp	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/APIProcessPoolConfiguration.cpp	2015-12-06 22:23:40 UTC (rev 193596)
@@ -41,7 +41,14 @@
     auto configuration = ProcessPoolConfiguration::create();
 
     configuration->m_shouldHaveLegacyDataStore = true;
+#if PLATFORM(GTK)
+    // FIXME: Remove this ifdef once all ports have switched to use always NetworkProcess.
+    // See https://bugs.webkit.org/show_bug.cgi?id=151418.
+    configuration->m_processModel = WebKit::ProcessModelMultipleSecondaryProcesses;
     configuration->m_maximumProcessCount = 1;
+#else
+    configuration->m_processModel = WebKit::ProcessModelSharedSecondaryProcess;
+#endif
     configuration->m_cacheModel = WebKit::CacheModelDocumentViewer;
 
     configuration->m_applicationCacheDirectory = WebKit::WebProcessPool::legacyPlatformDefaultApplicationCacheDirectory();
@@ -73,6 +80,7 @@
     auto copy = this->create();
 
     copy->m_shouldHaveLegacyDataStore = this->m_shouldHaveLegacyDataStore;
+    copy->m_processModel = this->m_processModel;
     copy->m_maximumProcessCount = this->m_maximumProcessCount;
     copy->m_cacheModel = this->m_cacheModel;
     copy->m_diskCacheSizeOverride = this->m_diskCacheSizeOverride;

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/APIProcessPoolConfiguration.h (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/APIProcessPoolConfiguration.h	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/APIProcessPoolConfiguration.h	2015-12-06 22:23:40 UTC (rev 193596)
@@ -28,6 +28,7 @@
 
 #include "APIObject.h"
 #include "CacheModel.h"
+#include "ProcessModel.h"
 #include <wtf/Ref.h>
 #include <wtf/Vector.h>
 #include <wtf/text/WTFString.h>
@@ -47,6 +48,9 @@
     bool shouldHaveLegacyDataStore() const { return m_shouldHaveLegacyDataStore; }
     void setShouldHaveLegacyDataStore(bool shouldHaveLegacyDataStore) { m_shouldHaveLegacyDataStore = shouldHaveLegacyDataStore; }
 
+    WebKit::ProcessModel processModel() const { return m_processModel; }
+    void setProcessModel(WebKit::ProcessModel processModel) { m_processModel = processModel; } 
+
     unsigned maximumProcessCount() const { return m_maximumProcessCount; }
     void setMaximumProcessCount(unsigned maximumProcessCount) { m_maximumProcessCount = maximumProcessCount; } 
 
@@ -89,6 +93,7 @@
 private:
     bool m_shouldHaveLegacyDataStore { false };
 
+    WebKit::ProcessModel m_processModel { WebKit::ProcessModelMultipleSecondaryProcesses };
     unsigned m_maximumProcessCount { 0 };
     WebKit::CacheModel m_cacheModel { WebKit::CacheModelPrimaryWebBrowser };
     int64_t m_diskCacheSizeOverride { -1 };

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/C/WKAPICast.h (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/C/WKAPICast.h	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/C/WKAPICast.h	2015-12-06 22:23:40 UTC (rev 193596)
@@ -32,6 +32,7 @@
 #include "HTTPCookieAcceptPolicy.h"
 #include "InjectedBundleHitTestResultMediaType.h"
 #include "PluginModuleInfo.h"
+#include "ProcessModel.h"
 #include "ResourceCachesToClear.h"
 #include "WKBundleHitTestResult.h"
 #include "WKContext.h"
@@ -229,6 +230,31 @@
     return kWKCacheModelDocumentViewer;
 }
 
+inline ProcessModel toProcessModel(WKProcessModel wkProcessModel)
+{
+    switch (wkProcessModel) {
+    case kWKProcessModelSharedSecondaryProcess:
+        return ProcessModelSharedSecondaryProcess;
+    case kWKProcessModelMultipleSecondaryProcesses:
+        return ProcessModelMultipleSecondaryProcesses;
+    }
+
+    ASSERT_NOT_REACHED();
+    return ProcessModelSharedSecondaryProcess;
+}
+
+inline WKProcessModel toAPI(ProcessModel processModel)
+{
+    switch (processModel) {
+    case ProcessModelSharedSecondaryProcess:
+        return kWKProcessModelSharedSecondaryProcess;
+    case ProcessModelMultipleSecondaryProcesses:
+        return kWKProcessModelMultipleSecondaryProcesses;
+    }
+    
+    return kWKProcessModelSharedSecondaryProcess;
+}
+
 inline FontSmoothingLevel toFontSmoothingLevel(WKFontSmoothingLevel wkLevel)
 {
     switch (wkLevel) {

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/C/WKContext.cpp (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/C/WKContext.cpp	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/C/WKContext.cpp	2015-12-06 22:23:40 UTC (rev 193596)
@@ -329,6 +329,16 @@
     return toAPI(toImpl(contextRef)->cacheModel());
 }
 
+void WKContextSetProcessModel(WKContextRef contextRef, WKProcessModel processModel)
+{
+    toImpl(contextRef)->setProcessModel(toProcessModel(processModel));
+}
+
+WKProcessModel WKContextGetProcessModel(WKContextRef contextRef)
+{
+    return toAPI(toImpl(contextRef)->processModel());
+}
+
 void WKContextSetMaximumNumberOfProcesses(WKContextRef contextRef, unsigned numberOfProcesses)
 {
     toImpl(contextRef)->setMaximumNumberOfProcesses(numberOfProcesses);

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/C/WKContext.h (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/C/WKContext.h	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/C/WKContext.h	2015-12-06 22:23:40 UTC (rev 193596)
@@ -75,7 +75,6 @@
     WKContextCopyWebCryptoMasterKeyCallback                             copyWebCryptoMasterKey;
 } WKContextClientV1;
 
-// FIXME: Remove these once support for Mavericks has been dropped.
 enum {
     kWKProcessModelSharedSecondaryProcess = 0,
     kWKProcessModelMultipleSecondaryProcesses = 1
@@ -112,9 +111,8 @@
 WK_EXPORT void WKContextSetCacheModel(WKContextRef context, WKCacheModel cacheModel);
 WK_EXPORT WKCacheModel WKContextGetCacheModel(WKContextRef context);
 
-// FIXME: Move these to WKDeprecatedFunctions.cpp once support for Mavericks has been dropped.
-WK_EXPORT void WKContextSetProcessModel(WKContextRef, WKProcessModel);
-WK_EXPORT WKProcessModel WKContextGetProcessModel(WKContextRef);
+WK_EXPORT void WKContextSetProcessModel(WKContextRef context, WKProcessModel processModel);
+WK_EXPORT WKProcessModel WKContextGetProcessModel(WKContextRef context);
 
 WK_EXPORT void WKContextSetMaximumNumberOfProcesses(WKContextRef context, unsigned numberOfProcesses);
 WK_EXPORT unsigned WKContextGetMaximumNumberOfProcesses(WKContextRef context);

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/Cocoa/WKProcessGroup.mm (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/Cocoa/WKProcessGroup.mm	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/Cocoa/WKProcessGroup.mm	2015-12-06 22:23:40 UTC (rev 193596)
@@ -192,6 +192,9 @@
 
     auto configuration = API::ProcessPoolConfiguration::createWithLegacyOptions();
     configuration->setInjectedBundlePath(bundleURL ? String(bundleURL.path) : String());
+#if PLATFORM(IOS)
+    configuration->setProcessModel(ProcessModelMultipleSecondaryProcesses);
+#endif
 
     _processPool = WebProcessPool::create(configuration);
 

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/Cocoa/WKProcessPool.mm (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/Cocoa/WKProcessPool.mm	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/Cocoa/WKProcessPool.mm	2015-12-06 22:23:40 UTC (rev 193596)
@@ -30,6 +30,7 @@
 
 #import "CacheModel.h"
 #import "DownloadClient.h"
+#import "ProcessModel.h"
 #import "SandboxUtilities.h"
 #import "WKObject.h"
 #import "WeakObjCPtr.h"

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/efl/ewk_context.cpp (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/efl/ewk_context.cpp	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/API/efl/ewk_context.cpp	2015-12-06 22:23:40 UTC (rev 193596)
@@ -257,13 +257,45 @@
     return static_cast<Ewk_Cache_Model>(WKContextGetCacheModel(m_context.get()));
 }
 
-void EwkContext::setProcessModel(Ewk_Process_Model)
+inline WKProcessModel toWKProcessModel(Ewk_Process_Model processModel)
 {
+    switch (processModel) {
+    case EWK_PROCESS_MODEL_SHARED_SECONDARY:
+        return kWKProcessModelSharedSecondaryProcess;
+    case EWK_PROCESS_MODEL_MULTIPLE_SECONDARY:
+        return kWKProcessModelMultipleSecondaryProcesses;
+    }
+    ASSERT_NOT_REACHED();
+
+    return kWKProcessModelSharedSecondaryProcess;
 }
 
+void EwkContext::setProcessModel(Ewk_Process_Model processModel)
+{
+    WKProcessModel newWKProcessModel = toWKProcessModel(processModel);
+
+    if (WKContextGetProcessModel(m_context.get()) == newWKProcessModel)
+        return;
+
+    WKContextSetProcessModel(m_context.get(), newWKProcessModel);
+}
+
+inline Ewk_Process_Model toEwkProcessModel(WKProcessModel processModel)
+{
+    switch (processModel) {
+    case kWKProcessModelSharedSecondaryProcess:
+        return EWK_PROCESS_MODEL_SHARED_SECONDARY;
+    case kWKProcessModelMultipleSecondaryProcesses:
+        return EWK_PROCESS_MODEL_MULTIPLE_SECONDARY;
+    }
+    ASSERT_NOT_REACHED();
+
+    return EWK_PROCESS_MODEL_SHARED_SECONDARY;
+}
+
 Ewk_Process_Model EwkContext::processModel() const
 {
-    return EWK_PROCESS_MODEL_MULTIPLE_SECONDARY;
+    return toEwkProcessModel(WKContextGetProcessModel(m_context.get()));
 }
 
 #if ENABLE(NETSCAPE_PLUGIN_API)
@@ -279,6 +311,7 @@
     WKResourceCacheManagerClearCacheForAllOrigins(WKContextGetResourceCacheManager(m_context.get()), WKResourceCachesToClearAll);
 }
 
+
 JSGlobalContextRef EwkContext::jsGlobalContext()
 {
     if (!m_jsGlobalContext)
@@ -534,15 +567,20 @@
     impl->setMessageFromExtensionCallback(callback, userData);
 }
 
-Eina_Bool ewk_context_process_model_set(Ewk_Context* ewkContext, Ewk_Process_Model)
+Eina_Bool ewk_context_process_model_set(Ewk_Context* ewkContext, Ewk_Process_Model processModel)
 {
     EWK_OBJ_GET_IMPL_OR_RETURN(EwkContext, ewkContext, impl, false);
+
+    impl->setProcessModel(processModel);
+
     return true;
 }
 
 Ewk_Process_Model ewk_context_process_model_get(const Ewk_Context* ewkContext)
 {
-    return EWK_PROCESS_MODEL_MULTIPLE_SECONDARY;
+    EWK_OBJ_GET_IMPL_OR_RETURN(const EwkContext, ewkContext, impl, EWK_PROCESS_MODEL_SHARED_SECONDARY);
+
+    return impl->processModel();
 }
 
 Ewk_TLS_Error_Policy ewk_context_tls_error_policy_get(const Ewk_Context* context)

Copied: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/ProcessModel.h (from rev 192807, trunk/Source/WebKit2/UIProcess/ProcessModel.h) (0 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/ProcessModel.h	                        (rev 0)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/ProcessModel.h	2015-12-06 22:23:40 UTC (rev 193596)
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#ifndef ProcessModel_h
+#define ProcessModel_h
+
+namespace WebKit {
+
+enum ProcessModel {
+    ProcessModelSharedSecondaryProcess,
+    ProcessModelMultipleSecondaryProcesses
+};
+
+} // namespace WebKit
+
+#endif // ProcessModel_h

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebCookieManagerProxy.cpp (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebCookieManagerProxy.cpp	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebCookieManagerProxy.cpp	2015-12-06 22:23:40 UTC (rev 193596)
@@ -85,7 +85,8 @@
 
 bool WebCookieManagerProxy::shouldTerminate(WebProcessProxy*) const
 {
-    return true;
+    return processPool()->processModel() != ProcessModelSharedSecondaryProcess
+        || (m_arrayCallbacks.isEmpty() && m_httpCookieAcceptPolicyCallbacks.isEmpty());
 }
 
 void WebCookieManagerProxy::refWebContextSupplement()

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebInspectorProxy.cpp (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebInspectorProxy.cpp	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebInspectorProxy.cpp	2015-12-06 22:23:40 UTC (rev 193596)
@@ -312,6 +312,7 @@
     // guarantees no process sharing for our user interface.
     if (!s_processPool) {
         auto configuration = API::ProcessPoolConfiguration::createWithLegacyOptions();
+        configuration->setProcessModel(ProcessModelMultipleSecondaryProcesses);
         s_processPool = &WebProcessPool::create(configuration.get()).leakRef();
     };
 

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebPageProxy.cpp (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebPageProxy.cpp	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebPageProxy.cpp	2015-12-06 22:23:40 UTC (rev 193596)
@@ -688,7 +688,10 @@
     m_process->removeWebPage(m_pageID);
     m_process->removeMessageReceiver(Messages::WebPageProxy::messageReceiverName(), m_pageID);
 
-    m_process = m_process->processPool().createNewWebProcessRespectingProcessCountLimit();
+    if (m_process->processPool().processModel() == ProcessModelSharedSecondaryProcess)
+        m_process = m_process->processPool().ensureSharedWebProcess();
+    else
+        m_process = m_process->processPool().createNewWebProcessRespectingProcessCountLimit();
 
     ASSERT(m_process->state() != ChildProcessProxy::State::Terminated);
     if (m_process->state() == ChildProcessProxy::State::Running)

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebProcessPool.cpp (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebProcessPool.cpp	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebProcessPool.cpp	2015-12-06 22:23:40 UTC (rev 193596)
@@ -102,6 +102,8 @@
 
 namespace WebKit {
 
+static const double sharedSecondaryProcessShutdownTimeout = 60;
+
 DEFINE_DEBUG_ONLY_GLOBAL(WTF::RefCountedLeakCounter, processPoolCounter, ("WebProcessPool"));
 
 Ref<WebProcessPool> WebProcessPool::create(API::ProcessPoolConfiguration& configuration)
@@ -279,6 +281,17 @@
         m_downloadClient = WTF::move(downloadClient);
 }
 
+void WebProcessPool::setProcessModel(ProcessModel processModel)
+{
+    // Guard against API misuse.
+    if (!m_processes.isEmpty())
+        CRASH();
+    if (processModel != ProcessModelSharedSecondaryProcess && !m_messagesToInjectedBundlePostedToEmptyContext.isEmpty())
+        CRASH();
+
+    m_configuration->setProcessModel(processModel);
+}
+
 void WebProcessPool::setMaximumNumberOfProcesses(unsigned maximumNumberOfProcesses)
 {
     // Guard against API misuse.
@@ -508,6 +521,14 @@
     m_processWithPageCache = process;
 }
 
+WebProcessProxy& WebProcessPool::ensureSharedWebProcess()
+{
+    ASSERT(processModel() == ProcessModelSharedSecondaryProcess);
+    if (m_processes.isEmpty())
+        createNewWebProcess();
+    return *m_processes[0];
+}
+
 WebProcessProxy& WebProcessPool::createNewWebProcess()
 {
     ensureNetworkProcess();
@@ -574,7 +595,7 @@
     // iconDatabasePath is non-empty by default, but m_iconDatabase isn't enabled in UI process unless setDatabasePath is called explicitly.
     parameters.iconDatabaseEnabled = !iconDatabasePath().isEmpty();
 
-    parameters.terminationTimeout = 0;
+    parameters.terminationTimeout = (processModel() == ProcessModelSharedSecondaryProcess) ? sharedSecondaryProcessShutdownTimeout : 0;
 
     parameters.textCheckerState = TextChecker::state();
 
@@ -630,8 +651,16 @@
 
     m_processes.append(process.ptr());
 
-    ASSERT(m_messagesToInjectedBundlePostedToEmptyContext.isEmpty());
+    if (processModel() == ProcessModelSharedSecondaryProcess) {
+        for (size_t i = 0; i != m_messagesToInjectedBundlePostedToEmptyContext.size(); ++i) {
+            auto& messageNameAndBody = m_messagesToInjectedBundlePostedToEmptyContext[i];
 
+            process->send(Messages::WebProcess::HandleInjectedBundleMessage(messageNameAndBody.first, UserData(process->transformObjectsToHandles(messageNameAndBody.second.get()).get())), 0);
+        }
+        m_messagesToInjectedBundlePostedToEmptyContext.clear();
+    } else
+        ASSERT(m_messagesToInjectedBundlePostedToEmptyContext.isEmpty());
+
 #if ENABLE(REMOTE_INSPECTOR)
     // Initialize remote inspector connection now that we have a sub-process that is hosting one of our web views.
     Inspector::RemoteInspector::singleton(); 
@@ -712,14 +741,30 @@
     if (m_haveInitialEmptyProcess && process == m_processes.last())
         m_haveInitialEmptyProcess = false;
 
-    // FIXME (Multi-WebProcess): <rdar://problem/12239765> Some of the invalidation calls of the other supplements are still necessary in multi-process mode, but they should only affect data structures pertaining to the process being disconnected.
+    // FIXME (Multi-WebProcess): <rdar://problem/12239765> Some of the invalidation calls below are still necessary in multi-process mode, but they should only affect data structures pertaining to the process being disconnected.
     // Clearing everything causes assertion failures, so it's less trouble to skip that for now.
+    if (processModel() != ProcessModelSharedSecondaryProcess) {
+        RefPtr<WebProcessProxy> protect(process);
+        if (m_processWithPageCache == process)
+            m_processWithPageCache = 0;
+
+        static_cast<WebContextSupplement*>(supplement<WebGeolocationManagerProxy>())->processDidClose(process);
+
+        m_processes.removeFirst(process);
+        return;
+    }
+
+    WebContextSupplementMap::const_iterator it = m_supplements.begin();
+    WebContextSupplementMap::const_iterator end = m_supplements.end();
+    for (; it != end; ++it)
+        it->value->processDidClose(process);
+
+    // The vector may have the last reference to process proxy, which in turn may have the last reference to the context.
+    // Since vector elements are destroyed in place, we would recurse into WebProcessProxy destructor
+    // if it were invoked from Vector::remove(). RefPtr delays destruction until it's safe.
     RefPtr<WebProcessProxy> protect(process);
     if (m_processWithPageCache == process)
         m_processWithPageCache = nullptr;
-
-    static_cast<WebContextSupplement*>(supplement<WebGeolocationManagerProxy>())->processDidClose(process);
-
     m_processes.removeFirst(process);
 }
 
@@ -751,14 +796,18 @@
     }
 
     RefPtr<WebProcessProxy> process;
-    if (m_haveInitialEmptyProcess) {
-        process = m_processes.last();
-        m_haveInitialEmptyProcess = false;
-    } else if (pageConfiguration->relatedPage()) {
-        // Sharing processes, e.g. when creating the page via window.open().
-        process = &pageConfiguration->relatedPage()->process();
-    } else
-        process = &createNewWebProcessRespectingProcessCountLimit();
+    if (processModel() == ProcessModelSharedSecondaryProcess) {
+        process = &ensureSharedWebProcess();
+    } else {
+        if (m_haveInitialEmptyProcess) {
+            process = m_processes.last();
+            m_haveInitialEmptyProcess = false;
+        } else if (pageConfiguration->relatedPage()) {
+            // Sharing processes, e.g. when creating the page via window.open().
+            process = &pageConfiguration->relatedPage()->process();
+        } else
+            process = &createNewWebProcessRespectingProcessCountLimit();
+    }
 
     return process->createWebPage(pageClient, WTF::move(pageConfiguration));
 }
@@ -795,6 +844,12 @@
 
 void WebProcessPool::postMessageToInjectedBundle(const String& messageName, API::Object* messageBody)
 {
+    if (m_processes.isEmpty()) {
+        if (processModel() == ProcessModelSharedSecondaryProcess)
+            m_messagesToInjectedBundlePostedToEmptyContext.append(std::make_pair(messageName, messageBody));
+        return;
+    }
+
     for (auto& process : m_processes) {
         // FIXME: Return early if the message body contains any references to WKPageRefs/WKFrameRefs etc. since they're local to a process.
         process->send(Messages::WebProcess::HandleInjectedBundleMessage(messageName, UserData(process->transformObjectsToHandles(messageBody).get())), 0);
@@ -1102,7 +1157,17 @@
 
 void WebProcessPool::requestWebContentStatistics(StatisticsRequest* request)
 {
-    // FIXME (Multi-WebProcess) <rdar://problem/13200059>: Make getting statistics from multiple WebProcesses work.
+    if (processModel() == ProcessModelSharedSecondaryProcess) {
+        if (m_processes.isEmpty())
+            return;
+        
+        uint64_t requestID = request->addOutstandingRequest();
+        m_statisticsRequests.set(requestID, request);
+        m_processes[0]->send(Messages::WebProcess::GetWebCoreStatistics(requestID), 0);
+
+    } else {
+        // FIXME (Multi-WebProcess) <rdar://problem/13200059>: Make getting statistics from multiple WebProcesses work.
+    }
 }
 
 void WebProcessPool::requestNetworkingStatistics(StatisticsRequest* request)

Modified: tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebProcessPool.h (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebProcessPool.h	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/UIProcess/WebProcessPool.h	2015-12-06 22:23:40 UTC (rev 193596)
@@ -37,6 +37,7 @@
 #include "NetworkProcessProxy.h"
 #include "PlugInAutoStartProvider.h"
 #include "PluginInfoStore.h"
+#include "ProcessModel.h"
 #include "ProcessThrottler.h"
 #include "StatisticsRequest.h"
 #include "VisitedLinkStore.h"
@@ -135,6 +136,9 @@
     void setHistoryClient(std::unique_ptr<API::LegacyContextHistoryClient>);
     void setDownloadClient(std::unique_ptr<API::DownloadClient>);
 
+    void setProcessModel(ProcessModel); // Can only be called when there are no processes running.
+    ProcessModel processModel() const { return m_configuration->processModel(); }
+
     void setMaximumNumberOfProcesses(unsigned); // Can only be called when there are no processes running.
     unsigned maximumNumberOfProcesses() const { return !m_configuration->maximumProcessCount() ? UINT_MAX : m_configuration->maximumProcessCount(); }
 
@@ -241,6 +245,7 @@
 
     void allowSpecificHTTPSCertificateForHost(const WebCertificateInfo*, const String& host);
 
+    WebProcessProxy& ensureSharedWebProcess();
     WebProcessProxy& createNewWebProcessRespectingProcessCountLimit(); // Will return an existing one if limit is met.
     void warmInitialProcess();
 
@@ -553,12 +558,17 @@
 void WebProcessPool::sendToAllProcessesRelaunchingThemIfNecessary(const T& message)
 {
     // FIXME (Multi-WebProcess): WebProcessPool doesn't track processes that have exited, so it cannot relaunch these. Perhaps this functionality won't be needed in this mode.
+    if (processModel() == ProcessModelSharedSecondaryProcess)
+        ensureSharedWebProcess();
     sendToAllProcesses(message);
 }
 
 template<typename T>
 void WebProcessPool::sendToOneProcess(T&& message)
 {
+    if (processModel() == ProcessModelSharedSecondaryProcess)
+        ensureSharedWebProcess();
+
     bool messageSent = false;
     size_t processCount = m_processes.size();
     for (size_t i = 0; i < processCount; ++i) {
@@ -570,7 +580,7 @@
         }
     }
 
-    if (!messageSent) {
+    if (!messageSent && processModel() == ProcessModelMultipleSecondaryProcesses) {
         warmInitialProcess();
         RefPtr<WebProcessProxy> process = m_processes.last();
         if (process->canSendMessage())

Modified: tags/Safari-602.1.13.1/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj (193595 => 193596)


--- tags/Safari-602.1.13.1/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj	2015-12-06 22:23:40 UTC (rev 193596)
@@ -1450,6 +1450,7 @@
 		BC5750971268F3C6006F0F12 /* WebPopupMenuProxyMac.h in Headers */ = {isa = PBXBuildFile; fileRef = BC5750951268F3C6006F0F12 /* WebPopupMenuProxyMac.h */; };
 		BC5750981268F3C6006F0F12 /* WebPopupMenuProxyMac.mm in Sources */ = {isa = PBXBuildFile; fileRef = BC5750961268F3C6006F0F12 /* WebPopupMenuProxyMac.mm */; };
 		BC575613126E0138006F0F12 /* APIError.cpp in Sources */ = {isa = PBXBuildFile; fileRef = BC575612126E0138006F0F12 /* APIError.cpp */; };
+		BC597075116591D000551FCA /* ProcessModel.h in Headers */ = {isa = PBXBuildFile; fileRef = BC597074116591D000551FCA /* ProcessModel.h */; };
 		BC5C75C814954DA600BC4775 /* WKConnectionInternal.h in Headers */ = {isa = PBXBuildFile; fileRef = BC5C75C614954DA600BC4775 /* WKConnectionInternal.h */; };
 		BC5D24A116CC3B9E007D5461 /* ChildProcessMain.mm in Sources */ = {isa = PBXBuildFile; fileRef = BC5D249F16CC3B9E007D5461 /* ChildProcessMain.mm */; };
 		BC5D24A216CC3B9E007D5461 /* ChildProcessMain.mm in Sources */ = {isa = PBXBuildFile; fileRef = BC5D249F16CC3B9E007D5461 /* ChildProcessMain.mm */; };
@@ -3698,6 +3699,7 @@
 		BC5750951268F3C6006F0F12 /* WebPopupMenuProxyMac.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebPopupMenuProxyMac.h; sourceTree = "<group>"; };
 		BC5750961268F3C6006F0F12 /* WebPopupMenuProxyMac.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WebPopupMenuProxyMac.mm; sourceTree = "<group>"; };
 		BC575612126E0138006F0F12 /* APIError.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = APIError.cpp; sourceTree = "<group>"; };
+		BC597074116591D000551FCA /* ProcessModel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ProcessModel.h; sourceTree = "<group>"; };
 		BC5C75C614954DA600BC4775 /* WKConnectionInternal.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKConnectionInternal.h; sourceTree = "<group>"; };
 		BC5D249F16CC3B9E007D5461 /* ChildProcessMain.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ChildProcessMain.mm; sourceTree = "<group>"; };
 		BC5D24B816CC40BB007D5461 /* BaseLegacyProcess.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = BaseLegacyProcess.xcconfig; sourceTree = "<group>"; };
@@ -6190,6 +6192,7 @@
 				1AC7537A183A9FDB0072CB15 /* PageLoadState.h */,
 				37716A59195B910500EE8B1B /* ProcessAssertion.cpp */,
 				86F9536018FF4FD4001DB2EF /* ProcessAssertion.h */,
+				BC597074116591D000551FCA /* ProcessModel.h */,
 				86E67A22190F411800004AB7 /* ProcessThrottler.cpp */,
 				86E67A21190F411800004AB7 /* ProcessThrottler.h */,
 				83048AE51ACA45DC0082C832 /* ProcessThrottlerClient.h */,
@@ -7925,6 +7928,7 @@
 				E1CC1B9012D7EADF00625838 /* PrintInfo.h in Headers */,
 				86F9536518FF58F5001DB2EF /* ProcessAssertion.h in Headers */,
 				BC1A7C581136E19C00FB7167 /* ProcessLauncher.h in Headers */,
+				BC597075116591D000551FCA /* ProcessModel.h in Headers */,
 				86E67A251910B9D100004AB7 /* ProcessThrottler.h in Headers */,
 				83048AE61ACA45DC0082C832 /* ProcessThrottlerClient.h in Headers */,
 				2D7F13101A702FBA009A6FBD /* ProcessType.h in Headers */,

Modified: tags/Safari-602.1.13.1/Tools/ChangeLog (193595 => 193596)


--- tags/Safari-602.1.13.1/Tools/ChangeLog	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Tools/ChangeLog	2015-12-06 22:23:40 UTC (rev 193596)
@@ -1,3 +1,7 @@
+2015-12-06  Babak Shafiei  <bshaf...@apple.com>
+
+        Roll out r192808.
+
 2015-12-01  Commit Queue  <commit-qu...@webkit.org>
 
         Unreviewed, rolling out r192914.

Modified: tags/Safari-602.1.13.1/Tools/TestWebKitAPI/Tests/WebKit2/Geolocation.cpp (193595 => 193596)


--- tags/Safari-602.1.13.1/Tools/TestWebKitAPI/Tests/WebKit2/Geolocation.cpp	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Tools/TestWebKitAPI/Tests/WebKit2/Geolocation.cpp	2015-12-06 22:23:40 UTC (rev 193596)
@@ -250,7 +250,6 @@
 TEST(WebKit2, GeolocationTransitionToHighAccuracy)
 {
     WKRetainPtr<WKContextRef> context(AdoptWK, WKContextCreate());
-    WKContextSetMaximumNumberOfProcesses(context.get(), 1);
 
     GeolocationTransitionToHighAccuracyStateTracker stateTracker;
     setupGeolocationProvider(context.get(), &stateTracker);
@@ -315,7 +314,6 @@
 TEST(WebKit2, GeolocationTransitionToLowAccuracy)
 {
     WKRetainPtr<WKContextRef> context(AdoptWK, WKContextCreate());
-    WKContextSetMaximumNumberOfProcesses(context.get(), 1);
 
     GeolocationTransitionToLowAccuracyStateTracker stateTracker;
     setupGeolocationProvider(context.get(), &stateTracker);

Modified: tags/Safari-602.1.13.1/Tools/WebKitTestRunner/TestController.cpp (193595 => 193596)


--- tags/Safari-602.1.13.1/Tools/WebKitTestRunner/TestController.cpp	2015-12-06 22:20:25 UTC (rev 193595)
+++ tags/Safari-602.1.13.1/Tools/WebKitTestRunner/TestController.cpp	2015-12-06 22:23:40 UTC (rev 193596)
@@ -403,6 +403,10 @@
 
     m_geolocationProvider = std::make_unique<GeolocationProviderMock>(m_context.get());
 
+#if PLATFORM(EFL)
+    WKContextSetProcessModel(m_context.get(), kWKProcessModelSharedSecondaryProcess);
+#endif
+
     if (const char* dumpRenderTreeTemp = libraryPathForTesting()) {
         String temporaryFolder = String::fromUTF8(dumpRenderTreeTemp);
 
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