#ifndef LLVM_SUPPORT_THREADING_H
#define LLVM_SUPPORT_THREADING_H
-#include "llvm/Config/llvm-config.h" // for LLVM_ON_UNIX
-
-#if defined(LLVM_ON_UNIX)
-#include <mutex>
-#else
-#include "llvm/Support/Atomic.h"
-#endif
-
namespace llvm {
/// Returns true if LLVM is compiled with support for multi-threading, and
/// false otherwise.
bool llvm_is_multithreaded();
/// llvm_execute_on_thread - Execute the given \p UserFn on a separate
- /// thread, passing it the provided \p UserData.
+ /// thread, passing it the provided \p UserData and waits for thread
+ /// completion.
///
/// This function does not guarantee that the code will actually be executed
/// on a separate thread or honoring the requested stack size, but tries to do
/// the thread stack.
void llvm_execute_on_thread(void (*UserFn)(void*), void *UserData,
unsigned RequestedStackSize = 0);
-
-#if defined(LLVM_ON_UNIX)
-typedef std::once_flag once_flag;
-#define LLVM_DEFINE_ONCE_FLAG(flag) static once_flag flag
-#else
-enum InitStatus {
- Done = -1,
- Uninitialized = 0,
- Wait = 1
-};
-typedef volatile sys::cas_flag once_flag;
-
-#define LLVM_DEFINE_ONCE_FLAG(flag) static once_flag flag = Uninitialized
-#endif
-
-/// \brief Execute the function specified as a parameter once.
-///
-/// Typical usage:
-/// \code
-/// void foo() {...};
-/// ...
-/// LLVM_DEFINE_ONCE_FLAG(flag);
-/// call_once(flag, foo);
-/// \endcode
-///
-/// \param flag Flag used for tracking whether or not this has run.
-/// \param UserFn Function to call once.
-void call_once(once_flag&, void (*)(void));
-
}
#endif