Imported WebKit commit 0282df8ca7c11d8c8a66ea18543695c69f545a27 (http://svn.webkit.org/repository/webkit/trunk@124002)

New snapshot with prospective Mountain Lion build fix

1 files changed, 4 insertions, 86 deletions

diff --git a/Source/WTF/wtf/ThreadSpecificWin.cpp b/Source/WTF/wtf/ThreadSpecificWin.cpp
index 61a594251..d72996a7a 100644
--- a/Source/WTF/wtf/ThreadSpecificWin.cpp
+++ b/Source/WTF/wtf/ThreadSpecificWin.cpp
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2009 Jian Li <jianli@chromium.org>
- * Copyright (C) 2012 Patrick Gansterer <paroga@paroga.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ -20,72 +19,15 @@
  */
 
 #include "config.h"
-#include "ThreadSpecific.h"
 
-#include "StdLibExtras.h"
-#include "ThreadingPrimitives.h"
+#include "ThreadSpecific.h"
 
-#if !USE(PTHREADS)
+#if USE(PTHREADS)
+#error This file should not be compiled by ports that do not use Windows native ThreadSpecific implementation.
+#endif
 
 namespace WTF {
 
-static Mutex& destructorsMutex()
-{
-    DEFINE_STATIC_LOCAL(Mutex, staticMutex, ());
-    return staticMutex;
-}
-
-class ThreadSpecificKeyValue {
-public:
-    ThreadSpecificKeyValue(void (*destructor)(void *))
-        : m_destructor(destructor)
-    {
-        m_tlsKey = TlsAlloc();
-        if (m_tlsKey == TLS_OUT_OF_INDEXES)
-            CRASH();
-
-        MutexLocker locker(destructorsMutex());
-        m_next = m_first;
-        m_first = this;
-    }
-
-    ~ThreadSpecificKeyValue()
-    {
-        MutexLocker locker(destructorsMutex());
-        ThreadSpecificKeyValue** next = &m_first;
-        while (*next != this) {
-            ASSERT(*next);
-            next = &(*next)->m_next;
-        }
-        *next = (*next)->m_next;
-
-        TlsFree(m_tlsKey);
-    }
-
-    void setValue(void* data) { TlsSetValue(m_tlsKey, data); }
-    void* value() { return TlsGetValue(m_tlsKey); }
-
-    static void callDestructors()
-    {
-        MutexLocker locker(destructorsMutex());
-        ThreadSpecificKeyValue* next = m_first;
-        while (next) {
-            if (void* data = next->value())
-                next->m_destructor(data);
-            next = next->m_next;
-        }
-    }
-
-private:
-    void (*m_destructor)(void *);
-    DWORD m_tlsKey;
-    ThreadSpecificKeyValue* m_next;
-
-    static ThreadSpecificKeyValue* m_first;
-};
-
-ThreadSpecificKeyValue* ThreadSpecificKeyValue::m_first = 0;
-
 long& tlsKeyCount()
 {
     static long count;
@@ -98,26 +40,6 @@ DWORD* tlsKeys()
     return keys;
 }
 
-void ThreadSpecificKeyCreate(ThreadSpecificKey* key, void (*destructor)(void *))
-{
-    *key = new ThreadSpecificKeyValue(destructor);
-}
-
-void ThreadSpecificKeyDelete(ThreadSpecificKey key)
-{
-    delete key;
-}
-
-void ThreadSpecificSet(ThreadSpecificKey key, void* data)
-{
-    key->setValue(data);
-}
-
-void* ThreadSpecificGet(ThreadSpecificKey key)
-{
-    return key->value();
-}
-
 void ThreadSpecificThreadExit()
 {
     for (long i = 0; i < tlsKeyCount(); i++) {
@@ -126,10 +48,6 @@ void ThreadSpecificThreadExit()
         if (data)
             data->destructor(data);
     }
-
-    ThreadSpecificKeyValue::callDestructors();
 }
 
 } // namespace WTF
-
-#endif // !USE(PTHREADS)