JavaScriptCore-7600.1.4.11.8.tar.gz

[apple/javascriptcore.git] / runtime / InitializeThreading.cpp

diff --git a/runtime/InitializeThreading.cpp b/runtime/InitializeThreading.cpp
index cda9fb11ea87e658bbf9803964fb3a8016ae3252..2d7adbd0da5262c84608b243eba0a0912f71680a 100644 (file)
--- a/runtime/InitializeThreading.cpp
+++ b/runtime/InitializeThreading.cpp
@@ -10,7 +10,7 @@
  * 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. 
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
  *     its contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission. 
  *
@@ -29,44 +29,51 @@
 #include "config.h"
 #include "InitializeThreading.h"
 
-#include "JSImmediate.h"
-#include "Collector.h"
-#include "DateMath.h"
-#include "dtoa.h"
+#include "ExecutableAllocator.h"
+#include "Heap.h"
+#include "HeapStatistics.h"
+#include "Options.h"
 #include "Identifier.h"
+#include "JSDateMath.h"
 #include "JSGlobalObject.h"
-#include "UString.h"
+#include "JSLock.h"
+#include "LLIntData.h"
+#include "StructureIDTable.h"
+#include "WriteBarrier.h"
+#include <mutex>
+#include <wtf/dtoa.h>
 #include <wtf/Threading.h>
+#include <wtf/dtoa/cached-powers.h>
 
 using namespace WTF;
 
 namespace JSC {
 
-#if PLATFORM(DARWIN) && ENABLE(JSC_MULTIPLE_THREADS)
-static pthread_once_t initializeThreadingKeyOnce = PTHREAD_ONCE_INIT;
-#endif
-
-static void initializeThreadingOnce()
-{
-    WTF::initializeThreading();
-    initializeUString();
-#if ENABLE(JSC_MULTIPLE_THREADS)
-    s_dtoaP5Mutex = new Mutex;
-    initDateMath();
-#endif
-}
-
 void initializeThreading()
 {
-#if PLATFORM(DARWIN) && ENABLE(JSC_MULTIPLE_THREADS)
-    pthread_once(&initializeThreadingKeyOnce, initializeThreadingOnce);
-#else
-    static bool initializedThreading = false;
-    if (!initializedThreading) {
-        initializeThreadingOnce();
-        initializedThreading = true;
-    }
+    static std::once_flag initializeThreadingOnceFlag;
+
+    std::call_once(initializeThreadingOnceFlag, []{
+        WTF::double_conversion::initialize();
+        WTF::initializeThreading();
+        GlobalJSLock::initialize();
+        Options::initialize();
+        if (Options::recordGCPauseTimes())
+            HeapStatistics::initialize();
+#if ENABLE(WRITE_BARRIER_PROFILING)
+        WriteBarrierCounters::initialize();
+#endif
+#if ENABLE(ASSEMBLER)
+        ExecutableAllocator::initializeAllocator();
+#endif
+        JSStack::initializeThreading();
+        LLInt::initialize();
+#ifndef NDEBUG
+        DisallowGC::initialize();
 #endif
+        WTFThreadData& threadData = wtfThreadData();
+        threadData.setSavedLastStackTop(threadData.stack().origin());
+    });
 }
 
 } // namespace JSC