Add a setLastModificationAndAccessTime to PathV2.

With this we can remove the last use of PathV1 from llvm-ar.cpp.

llvm-svn: 184464

2 files changed, 21 insertions, 0 deletions

diff --git a/llvm/lib/Support/Unix/PathV2.inc b/llvm/lib/Support/Unix/PathV2.inc
index 4b922da7186..e9cb6e75627 100644
--- a/llvm/lib/Support/Unix/PathV2.inc
+++ b/llvm/lib/Support/Unix/PathV2.inc
@@ -441,6 +441,16 @@ error_code permissions(const Twine &path, perms prms) {
   return error_code::success();
 }
 
+error_code setLastModificationAndAccessTime(int FD, TimeValue Time) {
+  timeval Times[2];
+  Times[0].tv_sec = Time.toPosixTime();
+  Times[0].tv_usec = 0;
+  Times[1] = Times[0];
+  if (::futimes(FD, Times))
+    return error_code(errno, system_category());
+  return error_code::success();
+}
+
 // Since this is most often used for temporary files, mode defaults to 0600.
 error_code unique_file(const Twine &model, int &result_fd,
                        SmallVectorImpl<char> &result_path,
diff --git a/llvm/lib/Support/Windows/PathV2.inc b/llvm/lib/Support/Windows/PathV2.inc
index 006e31a5bd2..5e0375fcf9a 100644
--- a/llvm/lib/Support/Windows/PathV2.inc
+++ b/llvm/lib/Support/Windows/PathV2.inc
@@ -585,6 +585,17 @@ error_code permissions(const Twine &path, perms prms) {
   return error_code::success();
 }
 
+error_code setLastModificationAndAccessTime(int FD, TimeValue Time) {
+  ULARGE_INTEGER UI;
+  UI.QuadPart = Time.toWin32Time();
+  FILETIME FT;
+  FT.dwLowDateTime = UI.LowPart;
+  FT.dwHighDateTime = UI.HighPart;
+  HANDLE FileHandle = reinterpret_cast<HANDLE>(_get_osfhandle(FD));
+  if (!SetFileTime(FileHandle, NULL, &FT, &FT))
+    return windows_error(::GetLastError());
+  return error_code::success();
+}
 
 // FIXME: mode should be used here and default to user r/w only,
 // it currently comes in as a UNIX mode.