diff --git a/lib/Support/DynamicLibrary.cpp b/lib/Support/DynamicLibrary.cpp index cd9927a193a5..455c3801cc68 100644 --- a/lib/Support/DynamicLibrary.cpp +++ b/lib/Support/DynamicLibrary.cpp @@ -61,17 +61,12 @@ using namespace llvm::sys; //=== independent code. //===----------------------------------------------------------------------===// -static SmartMutex* HandlesMutex; static std::vector *OpenedHandles = 0; -static bool InitializeMutex() { - HandlesMutex = new SmartMutex; - return HandlesMutex != 0; -} -static bool EnsureMutexInitialized() { - static bool result = InitializeMutex(); - return result; +static SmartMutex& getMutex() { + static SmartMutex HandlesMutex; + return HandlesMutex; } @@ -88,8 +83,7 @@ bool DynamicLibrary::LoadLibraryPermanently(const char *Filename, if (Filename == NULL) H = RTLD_DEFAULT; #endif - EnsureMutexInitialized(); - SmartScopedLock Lock(*HandlesMutex); + SmartScopedLock Lock(getMutex()); if (OpenedHandles == 0) OpenedHandles = new std::vector(); OpenedHandles->push_back(H); @@ -124,8 +118,7 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) { #if HAVE_DLFCN_H // Now search the libraries. - EnsureMutexInitialized(); - SmartScopedLock Lock(*HandlesMutex); + SmartScopedLock Lock(getMutex()); if (OpenedHandles) { for (std::vector::iterator I = OpenedHandles->begin(), E = OpenedHandles->end(); I != E; ++I) {