Changeset 42167 in webkit for trunk/JavaScriptCore/wtf/ThreadSpecific.h

Timestamp:

Apr 2, 2009, 3:29:24 AM (16 years ago)

Author:

Simon Hausmann

Message:

JavaScriptCore:

2009-04-02 Yael Aharon <​[email protected]>

Reviewed by Simon Hausmann

​https://bugs.webkit.org/show_bug.cgi?id=24490

Implement WTF::ThreadSpecific in the Qt build using
QThreadStorage.

WebCore:

2009-04-02 Yael Aharon <​[email protected]>

Reviewed by Simon Hausmann.

​https://bugs.webkit.org/show_bug.cgi?id=24490

Enable web workers in Qt.

File:

• trunk/JavaScriptCore/wtf/ThreadSpecific.h (modified) (7 diffs)

trunk/JavaScriptCore/wtf/ThreadSpecific.h

@@ -46 +46 @@
 #if USE(PTHREADS)
 #include <pthread.h>
+#elif PLATFORM(QT)
+#include <QThreadStorage>
 #elif PLATFORM(WIN_OS)
 #include <windows.h>
@@ -52 +54 @@
 namespace WTF {
 
-#if !USE(PTHREADS) && PLATFORM(WIN_OS)
+#if !USE(PTHREADS) && !PLATFORM(QT) && PLATFORM(WIN_OS)
 // ThreadSpecificThreadExit should be called each time when a thread is detached.
 // This is done automatically for threads created with WTF::createThread.
@@ -67 +69 @@
 
 private:
-#if !USE(PTHREADS) && PLATFORM(WIN_OS)
+#if !USE(PTHREADS) && !PLATFORM(QT) && PLATFORM(WIN_OS)
     friend void ThreadSpecificThreadExit();
 #endif
@@ -75 +77 @@
     void static destroy(void* ptr);
 
-#if USE(PTHREADS) || PLATFORM(WIN_OS)
+#if USE(PTHREADS) || PLATFORM(QT) || PLATFORM(WIN_OS)
     struct Data : Noncopyable {
         Data(T* value, ThreadSpecific<T>* owner) : value(value), owner(owner) {}
@@ -89 +91 @@
 #if USE(PTHREADS)
     pthread_key_t m_key;
+#elif PLATFORM(QT)
+    QThreadStorage<Data*> m_key;
 #elif PLATFORM(WIN_OS)
     int m_index;
@@ -121 +125 @@
     ASSERT(!get());
     pthread_setspecific(m_key, new Data(ptr, this));
+}
+
+#elif PLATFORM(QT)
+
+template<typename T>
+inline ThreadSpecific<T>::ThreadSpecific()
+{
+}
+
+template<typename T>
+inline ThreadSpecific<T>::~ThreadSpecific()
+{
+    Data* data = static_cast<Data*>(m_key.localData());
+    if (data)
+        data->destructor(data);
+}
+
+template<typename T>
+inline T* ThreadSpecific<T>::get()
+{
+    Data* data = static_cast<Data*>(m_key.localData());
+    return data ? data->value : 0;
+}
+
+template<typename T>
+inline void ThreadSpecific<T>::set(T* ptr)
+{
+    ASSERT(!get());
+    Data* data = new Data(ptr, this);
+    data->destructor = &ThreadSpecific<T>::destroy;
+    m_key.setLocalData(data);
 }
 
@@ -190 +225 @@
 #if USE(PTHREADS)
     pthread_setspecific(data->owner->m_key, 0);
+#elif PLATFORM(QT)
+    data->owner->m_key.setLocalData(0);
 #elif PLATFORM(WIN_OS)
     TlsSetValue(tlsKeys()[data->owner->m_index], 0);