Changeset 27336 in webkit for trunk/JavaScriptCore/wtf/FastMalloc.cpp

Timestamp:

Oct 31, 2007, 6:22:35 PM (18 years ago)

Author:

aroben

Message:

Fix a crash on launch due to a static initializer race

We now use fast inline assembler spinlocks which can be statically
initialized at compile time.

As a side benefit, this speeds up SunSpider by 0.4%.

Reviewed by Oliver.

• wtf/FastMalloc.cpp:
• wtf/TCSpinLock.h: (TCMalloc_SpinLock::Lock): (TCMalloc_SpinLock::Unlock): (TCMalloc_SlowLock):
• wtf/TCSystemAlloc.cpp:

File:

• trunk/JavaScriptCore/wtf/FastMalloc.cpp (modified) (1 diff)

trunk/JavaScriptCore/wtf/FastMalloc.cpp

@@ -1276 +1276 @@
 
 // Page-level allocator
-#if COMPILER(MSVC)
-static SpinLock pageheap_lock;
-#else
 static SpinLock pageheap_lock = SPINLOCK_INITIALIZER;
-#endif
-
 static void* pageheap_memory[(sizeof(TCMalloc_PageHeap) + sizeof(void*) - 1) / sizeof(void*)];
 static bool phinited = false;