From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Tue, 28 Nov 2017 00:12:44 +0000 (+0000)
Subject: Add an F_Delete flag.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=816b1dbae08c1f58243dac9c3741dee0411eca5a;p=llvm

Add an F_Delete flag.

For now this only changes the handle Access.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319121 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Support/FileSystem.h b/include/llvm/Support/FileSystem.h
index 4a5be15950c..68d08c211bf 100644
--- a/include/llvm/Support/FileSystem.h
+++ b/include/llvm/Support/FileSystem.h
@@ -683,7 +683,11 @@ enum OpenFlags : unsigned {
   F_Text = 4,
 
   /// Open the file for read and write.
-  F_RW = 8
+  F_RW = 8,
+
+  /// The returned handle can be used for deleting the file. Only makes a
+  /// difference on windows.
+  F_Delete = 16
 };
 
 /// @brief Create a uniquely named file.
diff --git a/lib/Support/Windows/Path.inc b/lib/Support/Windows/Path.inc
index dceaaa1542c..113f259fe56 100644
--- a/lib/Support/Windows/Path.inc
+++ b/lib/Support/Windows/Path.inc
@@ -1031,6 +1031,8 @@ std::error_code openFileForWrite(const Twine &Name, int &ResultFD,
   DWORD Access = GENERIC_WRITE;
   if (Flags & F_RW)
     Access |= GENERIC_READ;
+  if (Flags & F_Delete)
+    Access |= DELETE;
 
   HANDLE H =
       ::CreateFileW(PathUTF16.begin(), Access,