Implement a generic polled Alarm function. This merely removes the system

dependent portion of the lib/Support/SlowOperationTimer code into the
lib/System implementation where it can be ported to different platforms.

llvm-svn: 24937

1 files changed, 34 insertions, 0 deletions

diff --git a/llvm/lib/System/Alarm.cpp b/llvm/lib/System/Alarm.cpp
new file mode 100644
index 00000000000..d782b293e33
--- /dev/null
+++ b/llvm/lib/System/Alarm.cpp
@@ -0,0 +1,34 @@
+//===- Alarm.cpp - Alarm Generation Support ---------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the Reid Spencer and is distributed under the 
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the Alarm functionality 
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/System/Alarm.h"
+#include "llvm/Config/config.h"
+
+namespace llvm {
+using namespace sys;
+
+//===----------------------------------------------------------------------===//
+//=== WARNING: Implementation here must contain only TRULY operating system
+//===          independent code.
+//===----------------------------------------------------------------------===//
+
+}
+
+// Include the platform-specific parts of this class.
+#ifdef LLVM_ON_UNIX
+#include "Unix/Alarm.inc"
+#endif
+#ifdef LLVM_ON_WIN32
+#include "Win32/Alarm.inc"
+#endif
+