diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/llvm/System/ThreadLocal.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/llvm/System/ThreadLocal.h b/include/llvm/System/ThreadLocal.h index 39b1e64..3d44f62 100644 --- a/include/llvm/System/ThreadLocal.h +++ b/include/llvm/System/ThreadLocal.h @@ -19,6 +19,8 @@ namespace llvm { namespace sys { + // ThreadLocalImpl - Common base class of all ThreadLocal instantiations. + // YOU SHOULD NEVER USE THIS DIRECTLY. class ThreadLocalImpl { void* data; public: @@ -28,11 +30,18 @@ namespace llvm { const void* getInstance(); }; + /// ThreadLocal - A class used to abstract thread-local storage. It holds, + /// for each thread, a pointer a single object of type T. template<class T> class ThreadLocal : public ThreadLocalImpl { public: ThreadLocal() : ThreadLocalImpl() { } + + /// get - Fetches a pointer to the object associated with the current + /// thread. If no object has yet been associated, it returns NULL; T* get() { return static_cast<T*>(getInstance()); } + + // set - Associates a pointer to an object with the current thread. void set(T* d) { setInstance(d); } }; } |