Support: Introduce thread.h.

[oota-llvm.git] / include / llvm / Support / thread.h

diff --git a/include/llvm/Support/thread.h b/include/llvm/Support/thread.h
new file mode 100644 (file)
index 0000000..b61177d
--- /dev/null
+++ b/include/llvm/Support/thread.h
@@ -0,0 +1,34 @@
+//===-- llvm/Support/thread.h - Wrapper for <thread> ------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This header is a wrapper for <thread> that works around problems with the
+// MSVC headers when exceptions are disabled.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_THREAD_H
+#define LLVM_SUPPORT_THREAD_H
+
+#ifdef _MSC_VER
+// concrt.h depends on eh.h for __uncaught_exception declaration
+// even if we disable exceptions.
+#include <eh.h>
+
+// Suppress 'C++ exception handler used, but unwind semantics are not enabled.'
+#pragma warning(push)
+#pragma warning(disable:4530)
+#endif
+
+#include <thread>
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+#endif