Add functions for determining if the stdin/out/err is connected to a

console or not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19233 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 15 insertions, 0 deletions

diff --git a/include/llvm/System/Process.h b/include/llvm/System/Process.h
index 7733cf5f65..5070bbe404 100644
--- a/include/llvm/System/Process.h
+++ b/include/llvm/System/Process.h
@@ -69,6 +69,21 @@ namespace sys {
       /// @brief Prevent core file generation.
       static void PreventCoreFiles();
 
+      /// This function determines if the standard input is connected directly
+      /// to a user's input (keyboard probably), rather than coming from a file
+      /// or pipe.
+      static bool StandardInIsUserInput();
+
+      /// This function determines if the standard output is connected to a 
+      /// "tty" or "console" window. That is, the output would be displayed to
+      /// the user rather than being put on a pipe or stored in a file.
+      static bool StandardOutIsDisplayed();
+
+      /// This function determines if the standard error is connected to a 
+      /// "tty" or "console" window. That is, the output would be displayed to
+      /// the user rather than being put on a pipe or stored in a file.
+      static bool StandardErrIsDisplayed();
+
     /// @}
   };
 }