//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_SUPPORT_THREADING_H
-#define LLVM_SUPPORT_THREADING_H
+#ifndef LLVM_SYSTEM_THREADING_H
+#define LLVM_SYSTEM_THREADING_H
namespace llvm {
/// llvm_start_multithreaded - Allocate and initialize structures needed to
/// make LLVM safe for multithreading. The return value indicates whether
/// multithreaded initialization succeeded. LLVM will still be operational
- /// on "failed" return, and will still be safe for hosting threading
+ /// on "failed" return, and will still be safe for hosting threading
/// applications in the JIT, but will not be safe for concurrent calls to the
/// LLVM APIs.
/// THIS MUST EXECUTE IN ISOLATION FROM ALL OTHER LLVM API CALLS.
bool llvm_start_multithreaded();
-
+
/// llvm_stop_multithreaded - Deallocate structures necessary to make LLVM
/// safe for multithreading.
/// THIS MUST EXECUTE IN ISOLATION FROM ALL OTHER LLVM API CALLS.
void llvm_stop_multithreaded();
-
+
/// llvm_is_multithreaded - Check whether LLVM is executing in thread-safe
/// mode or not.
bool llvm_is_multithreaded();
-
+
/// acquire_global_lock - Acquire the global lock. This is a no-op if called
/// before llvm_start_multithreaded().
void llvm_acquire_global_lock();
-
+
/// release_global_lock - Release the global lock. This is a no-op if called
/// before llvm_start_multithreaded().
void llvm_release_global_lock();
+
+ /// llvm_execute_on_thread - Execute the given \arg UserFn on a separate
+ /// thread, passing it the provided \arg UserData.
+ ///
+ /// 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
+ /// so where system support is available.
+ ///
+ /// \param UserFn - The callback to execute.
+ /// \param UserData - An argument to pass to the callback function.
+ /// \param RequestedStackSize - If non-zero, a requested size (in bytes) for
+ /// the thread stack.
+ void llvm_execute_on_thread(void (*UserFn)(void*), void *UserData,
+ unsigned RequestedStackSize = 0);
}
-#endif
\ No newline at end of file
+#endif