From a80c7628325cf2759d12abd5bff11b23c803f5f4 Mon Sep 17 00:00:00 2001
From: "zimmermann@webkit.org"
 <zimmermann@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Date: Thu, 26 Jan 2012 11:58:40 +0000
Subject: [PATCH] Unreviewed, rolling out r105982.
 http://trac.webkit.org/changeset/105982
 https://bugs.webkit.org/show_bug.cgi?id=77090

breaks the world (Requested by WildFox on #webkit).

Patch by Sheriff Bot <webkit.review.bot@gmail.com> on 2012-01-26

* wtf/MainThread.cpp:
(WTF):
* wtf/Platform.h:
* wtf/mac/MainThreadMac.mm:
(WTF):
(WTF::registerGCThread):
(WTF::isMainThreadOrGCThread):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@105987 268f45cc-cd09-0410-ab3c-d52691b4dbfc
---
 Source/JavaScriptCore/ChangeLog                | 16 ++++++++++++++
 Source/JavaScriptCore/wtf/MainThread.cpp       | 30 --------------------------
 Source/JavaScriptCore/wtf/Platform.h           |  2 +-
 Source/JavaScriptCore/wtf/mac/MainThreadMac.mm | 27 +++++++++++++++++++++++
 4 files changed, 44 insertions(+), 31 deletions(-)

diff --git a/Source/JavaScriptCore/ChangeLog b/Source/JavaScriptCore/ChangeLog
index 7624e27..79a0db5 100644
--- a/Source/JavaScriptCore/ChangeLog
+++ b/Source/JavaScriptCore/ChangeLog
@@ -1,3 +1,19 @@
+2012-01-26  Sheriff Bot  <webkit.review.bot@gmail.com>
+
+        Unreviewed, rolling out r105982.
+        http://trac.webkit.org/changeset/105982
+        https://bugs.webkit.org/show_bug.cgi?id=77090
+
+        breaks the world (Requested by WildFox on #webkit).
+
+        * wtf/MainThread.cpp:
+        (WTF):
+        * wtf/Platform.h:
+        * wtf/mac/MainThreadMac.mm:
+        (WTF):
+        (WTF::registerGCThread):
+        (WTF::isMainThreadOrGCThread):
+
 2012-01-26  Roland Takacs  <takacs.roland@stud.u-szeged.hu>
 
         [Qt] GC should be parallel on Qt platform
diff --git a/Source/JavaScriptCore/wtf/MainThread.cpp b/Source/JavaScriptCore/wtf/MainThread.cpp
index cc8c634..9151265 100644
--- a/Source/JavaScriptCore/wtf/MainThread.cpp
+++ b/Source/JavaScriptCore/wtf/MainThread.cpp
@@ -34,7 +34,6 @@
 #include "Functional.h"
 #include "StdLibExtras.h"
 #include "Threading.h"
-#include <wtf/ThreadSpecific.h>
 
 #if PLATFORM(CHROMIUM)
 #error Chromium uses a different main thread implementation
@@ -250,33 +249,4 @@ bool isMainThread()
 }
 #endif
 
-#if ENABLE(PARALLEL_GC)
-static ThreadSpecific<bool>* isGCThread;
-
-void registerGCThread()
-{
-    if (!isGCThread) {
-        // This happens if we're running in a process that doesn't care about
-        // MainThread.
-        return;
-    }
-
-    **isGCThread = true;
-}
-
-bool isMainThreadOrGCThread()
-{
-    if (isGCThread->isSet() && **isGCThread)
-        return true;
-
-    return isMainThread();
-}
-#elif PLATFORM(MAC)
-// This is necessary because JavaScriptCore.exp doesn't support preprocessor macros.
-bool isMainThreadOrGCThread()
-{
-    return isMainThread();
-}
-#endif
-
 } // namespace WTF
diff --git a/Source/JavaScriptCore/wtf/Platform.h b/Source/JavaScriptCore/wtf/Platform.h
index 26e3b75..90debd9 100644
--- a/Source/JavaScriptCore/wtf/Platform.h
+++ b/Source/JavaScriptCore/wtf/Platform.h
@@ -1120,7 +1120,7 @@
 #define ENABLE_COMPARE_AND_SWAP 1
 #endif
 
-#if !defined(ENABLE_PARALLEL_GC) && (PLATFORM(MAC) || PLATFORM(IOS) || PLATFORM(QT)) && ENABLE(COMPARE_AND_SWAP)
+#if !defined(ENABLE_PARALLEL_GC) && (PLATFORM(MAC) || PLATFORM(IOS)) && ENABLE(COMPARE_AND_SWAP)
 #define ENABLE_PARALLEL_GC 1
 #endif
 
diff --git a/Source/JavaScriptCore/wtf/mac/MainThreadMac.mm b/Source/JavaScriptCore/wtf/mac/MainThreadMac.mm
index ee57fed..fbc6250 100644
--- a/Source/JavaScriptCore/wtf/mac/MainThreadMac.mm
+++ b/Source/JavaScriptCore/wtf/mac/MainThreadMac.mm
@@ -145,4 +145,31 @@ bool isMainThread()
     return pthread_equal(pthread_self(), mainThreadPthread);
 }
 
+#if ENABLE(PARALLEL_GC)
+void registerGCThread()
+{
+    if (!isGCThread) {
+        // This happens if we're running in a process that doesn't care about
+        // MainThread.
+        return;
+    }
+
+    **isGCThread = true;
+}
+
+bool isMainThreadOrGCThread()
+{
+    if (isGCThread->isSet() && **isGCThread)
+        return true;
+    
+    return isMainThread();
+}
+#else
+// This is necessary because JavaScriptCore.exp doesn't support preprocessor macros.
+bool isMainThreadOrGCThread()
+{
+    return isMainThread();
+}
+#endif
+
 } // namespace WTF
-- 
2.7.4