diff options
Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h')
-rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h index 65781516f7..515454517d 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h +++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h @@ -59,6 +59,8 @@ #ifndef Threading_h #define Threading_h +#include "Platform.h" + #if PLATFORM(WINCE) #include <windows.h> #endif @@ -213,23 +215,23 @@ private: #define WTF_USE_LOCKFREE_THREADSAFESHARED 1 #if COMPILER(MINGW) || COMPILER(MSVC7) || PLATFORM(WINCE) -inline void atomicIncrement(int* addend) { InterlockedIncrement(reinterpret_cast<long*>(addend)); } +inline int atomicIncrement(int* addend) { return InterlockedIncrement(reinterpret_cast<long*>(addend)); } inline int atomicDecrement(int* addend) { return InterlockedDecrement(reinterpret_cast<long*>(addend)); } #else -inline void atomicIncrement(int volatile* addend) { InterlockedIncrement(reinterpret_cast<long volatile*>(addend)); } +inline int atomicIncrement(int volatile* addend) { return InterlockedIncrement(reinterpret_cast<long volatile*>(addend)); } inline int atomicDecrement(int volatile* addend) { return InterlockedDecrement(reinterpret_cast<long volatile*>(addend)); } #endif #elif PLATFORM(DARWIN) #define WTF_USE_LOCKFREE_THREADSAFESHARED 1 -inline void atomicIncrement(int volatile* addend) { OSAtomicIncrement32Barrier(const_cast<int*>(addend)); } +inline int atomicIncrement(int volatile* addend) { return OSAtomicIncrement32Barrier(const_cast<int*>(addend)); } inline int atomicDecrement(int volatile* addend) { return OSAtomicDecrement32Barrier(const_cast<int*>(addend)); } -#elif COMPILER(GCC) +#elif COMPILER(GCC) && !PLATFORM(SPARC64) // sizeof(_Atomic_word) != sizeof(int) on sparc64 gcc #define WTF_USE_LOCKFREE_THREADSAFESHARED 1 -inline void atomicIncrement(int volatile* addend) { __gnu_cxx::__atomic_add(addend, 1); } +inline int atomicIncrement(int volatile* addend) { return __gnu_cxx::__exchange_and_add(addend, 1) + 1; } inline int atomicDecrement(int volatile* addend) { return __gnu_cxx::__exchange_and_add(addend, -1) - 1; } #endif @@ -323,6 +325,11 @@ using WTF::ThreadCondition; using WTF::ThreadIdentifier; using WTF::ThreadSafeShared; +#if USE(LOCKFREE_THREADSAFESHARED) +using WTF::atomicDecrement; +using WTF::atomicIncrement; +#endif + using WTF::createThread; using WTF::currentThread; using WTF::isMainThread; |