1 files changed, 46 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Support/ToolOutputFile.cpp b/contrib/llvm/lib/Support/ToolOutputFile.cpp
new file mode 100644
index 0000000..8ae977d
--- /dev/null
+++ b/contrib/llvm/lib/Support/ToolOutputFile.cpp
@@ -0,0 +1,46 @@
+//===--- ToolOutputFile.cpp - Implement the tool_output_file class --------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This implements the tool_output_file class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/ToolOutputFile.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Signals.h"
+using namespace llvm;
+
+tool_output_file::CleanupInstaller::CleanupInstaller(StringRef Filename)
+    : Filename(Filename), Keep(false) {
+  // Arrange for the file to be deleted if the process is killed.
+  if (Filename != "-")
+    sys::RemoveFileOnSignal(Filename);
+}
+
+tool_output_file::CleanupInstaller::~CleanupInstaller() {
+  // Delete the file if the client hasn't told us not to.
+  if (!Keep && Filename != "-")
+    sys::fs::remove(Filename);
+
+  // Ok, the file is successfully written and closed, or deleted. There's no
+  // further need to clean it up on signals.
+  if (Filename != "-")
+    sys::DontRemoveFileOnSignal(Filename);
+}
+
+tool_output_file::tool_output_file(StringRef Filename, std::error_code &EC,
+                                   sys::fs::OpenFlags Flags)
+    : Installer(Filename), OS(Filename, EC, Flags) {
+  // If open fails, no cleanup is needed.
+  if (EC)
+    Installer.Keep = true;
+}
+
+tool_output_file::tool_output_file(StringRef Filename, int FD)
+    : Installer(Filename), OS(FD, true) {}