webkitgtk-2.4.9webkitgtk-2.4.9

1 files changed, 7 insertions, 7 deletions

diff --git a/Source/JavaScriptCore/profiler/ProfilerDatabase.cpp b/Source/JavaScriptCore/profiler/ProfilerDatabase.cpp
index fc952c0c2..f83652dda 100644
--- a/Source/JavaScriptCore/profiler/ProfilerDatabase.cpp
+++ b/Source/JavaScriptCore/profiler/ProfilerDatabase.cpp
@@ -29,13 +29,13 @@
 #include "CodeBlock.h"
 #include "JSONObject.h"
 #include "ObjectConstructor.h"
-#include "JSCInlines.h"
+#include "Operations.h"
 
 namespace JSC { namespace Profiler {
 
 static std::atomic<int> databaseCounter;
 
-static StaticLock registrationLock;
+static SpinLock registrationLock = SPINLOCK_INITIALIZER;
 static std::atomic<int> didRegisterAtExit;
 static Database* firstDatabase;
 
@@ -57,7 +57,7 @@ Database::~Database()
 
 Bytecodes* Database::ensureBytecodesFor(CodeBlock* codeBlock)
 {
-    LockHolder locker(m_lock);
+    Locker locker(m_lock);
     
     codeBlock = codeBlock->baselineVersion();
     
@@ -75,7 +75,7 @@ Bytecodes* Database::ensureBytecodesFor(CodeBlock* codeBlock)
 
 void Database::notifyDestruction(CodeBlock* codeBlock)
 {
-    LockHolder locker(m_lock);
+    Locker locker(m_lock);
     
     m_bytecodesMap.remove(codeBlock);
 }
@@ -138,14 +138,14 @@ void Database::addDatabaseToAtExit()
     if (++didRegisterAtExit == 1)
         atexit(atExitCallback);
     
-    LockHolder holder(registrationLock);
+    TCMalloc_SpinLockHolder holder(&registrationLock);
     m_nextRegisteredDatabase = firstDatabase;
     firstDatabase = this;
 }
 
 void Database::removeDatabaseFromAtExit()
 {
-    LockHolder holder(registrationLock);
+    TCMalloc_SpinLockHolder holder(&registrationLock);
     for (Database** current = &firstDatabase; *current; current = &(*current)->m_nextRegisteredDatabase) {
         if (*current != this)
             continue;
@@ -163,7 +163,7 @@ void Database::performAtExitSave() const
 
 Database* Database::removeFirstAtExitDatabase()
 {
-    LockHolder holder(registrationLock);
+    TCMalloc_SpinLockHolder holder(&registrationLock);
     Database* result = firstDatabase;
     if (result) {
         firstDatabase = result->m_nextRegisteredDatabase;