SkGlyphCache_Globals: SkMutex -> SkSpinlock

src/core/SkGlyphCache_Globals.h

Index: src/core/SkGlyphCache_Globals.h
diff --git a/src/core/SkGlyphCache_Globals.h b/src/core/SkGlyphCache_Globals.h
index e8f950f6114a4d6ddc0f3b7db5cd086021622c5c..8e0ceb55c4a0939bb3f151b89e03fa12cbc7b629 100644
--- a/src/core/SkGlyphCache_Globals.h
+++ b/src/core/SkGlyphCache_Globals.h
@@ -10,6 +10,7 @@
 
 #include "SkGlyphCache.h"
 #include "SkMutex.h"
+#include "SkSpinlock.h"
 #include "SkTLS.h"
 
 #ifndef SK_DEFAULT_FONT_CACHE_COUNT_LIMIT
@@ -22,23 +23,14 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-class SkMutex;
-
 class SkGlyphCache_Globals {
 public:
-    enum UseMutex {
-        kNo_UseMutex,  // thread-local cache
-        kYes_UseMutex  // shared cache
-    };
-
-    SkGlyphCache_Globals(UseMutex um) {
+    SkGlyphCache_Globals() {
         fHead = NULL;
         fTotalMemoryUsed = 0;
         fCacheSizeLimit = SK_DEFAULT_FONT_CACHE_LIMIT;
         fCacheCount = 0;
         fCacheCountLimit = SK_DEFAULT_FONT_CACHE_COUNT_LIMIT;
-
-        fMutex = (kYes_UseMutex == um) ? SkNEW(SkMutex) : NULL;
     }
 
     ~SkGlyphCache_Globals() {
@@ -48,11 +40,9 @@ public:
             SkDELETE(cache);
             cache = next;
         }
-
-        SkDELETE(fMutex);
     }
 
-    SkMutex*        fMutex;
+    SkSpinlock     fLock;
 
     SkGlyphCache* internalGetHead() const { return fHead; }
     SkGlyphCache* internalGetTail() const;
@@ -88,17 +78,6 @@ public:
     void internalDetachCache(SkGlyphCache*);
     void internalAttachCacheToHead(SkGlyphCache*);
 
-    // can return NULL
-    static SkGlyphCache_Globals* FindTLS() {
-        return (SkGlyphCache_Globals*)SkTLS::Find(CreateTLS);
-    }
-
-    static SkGlyphCache_Globals& GetTLS() {
-        return *(SkGlyphCache_Globals*)SkTLS::Get(CreateTLS, DeleteTLS);
-    }
-
-    static void DeleteTLS() { SkTLS::Delete(CreateTLS); }
-
 private:
     SkGlyphCache* fHead;
     size_t  fTotalMemoryUsed;
@@ -110,14 +89,6 @@ private:
     // and attempt to purge caches to match.
     // Returns number of bytes freed.
     size_t internalPurge(size_t minBytesNeeded = 0);
-
-    static void* CreateTLS() {
-        return SkNEW_ARGS(SkGlyphCache_Globals, (kNo_UseMutex));
-    }
-
-    static void DeleteTLS(void* ptr) {
-        SkDELETE((SkGlyphCache_Globals*)ptr);
-    }
 };
 
 #endif