Oilpan: Centralize Partition allocators into Partitions.h (part 2)

Source/wtf/FastMalloc.cpp

 // Copyright (c) 2005, 2007, Google Inc.
 // All rights reserved.
 // Copyright (C) 2005, 2006, 2007, 2008, 2009, 2011 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:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
@@ skipping 13 matching lines @@
 // 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.
 
 #include "config.h"
 #include "wtf/FastMalloc.h"
 
-#include "wtf/PartitionAlloc.h"
-#include "wtf/SpinLock.h"
+#include "wtf/Partitions.h"
 #include <string.h>
 
 namespace WTF {
 
-static PartitionAllocatorGeneric gPartition;
-static int gLock = 0;
-static bool gInitialized = false;
-
 void* fastZeroedMalloc(size_t n)
 {
     void* result = fastMalloc(n);
     memset(result, 0, n);
     return result;
 }
 
 char* fastStrDup(const char* src)
 {
     size_t len = strlen(src) + 1;
     char* dup = static_cast<char*>(fastMalloc(len));
     memcpy(dup, src, len);
     return dup;
 }
 
-void fastMallocShutdown()
-{
-    gPartition.shutdown();
-}
-
 void* fastMalloc(size_t n)
 {
-    if (UNLIKELY(!gInitialized)) {
-        spinLockLock(&gLock);
-        if (!gInitialized) {
-            gInitialized = true;
-            gPartition.init();
-        }
-        spinLockUnlock(&gLock);
-    }
-    return partitionAllocGeneric(gPartition.root(), n);
+    return partitionAllocGeneric(Partitions::getFastMallocPartition(), n);
 }
 
 void fastFree(void* p)
 {
-    partitionFreeGeneric(gPartition.root(), p);
+    partitionFreeGeneric(Partitions::getFastMallocPartition(), p);
 }
 
 void* fastRealloc(void* p, size_t n)
 {
-    return partitionReallocGeneric(gPartition.root(), p, n);
+    return partitionReallocGeneric(Partitions::getFastMallocPartition(), p, n);
 }
 
 } // namespace WTF