From a01aade75df50eb00c5d0be03594757f9abb3709 Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Sat, 1 Jan 2005 22:29:26 +0000
Subject: 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
---
 lib/System/Unix/Process.cpp | 24 ++++++++++++++++++++++++
 lib/System/Unix/Process.inc | 24 ++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

(limited to 'lib/System/Unix')

diff --git a/lib/System/Unix/Process.cpp b/lib/System/Unix/Process.cpp
index c1448de..cccd3ff 100644
--- a/lib/System/Unix/Process.cpp
+++ b/lib/System/Unix/Process.cpp
@@ -122,5 +122,29 @@ void Process::PreventCoreFiles() {
 #endif
 }
 
+bool Process::StandardInIsUserInput() {
+#if HAVE_ISATTY
+  return isatty(0);
+#endif
+  // If we don't have isatty, just return false.
+  return false;
+}
+
+bool Process::StandardOutIsDisplayed() {
+#if HAVE_ISATTY
+  return isatty(1);
+#endif
+  // If we don't have isatty, just return false.
+  return false;
+}
+
+bool Process::StandardErrIsDisplayed() {
+#if HAVE_ISATTY
+  return isatty(2);
+#endif
+  // If we don't have isatty, just return false.
+  return false;
+}
+
 }
 // vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
diff --git a/lib/System/Unix/Process.inc b/lib/System/Unix/Process.inc
index c1448de..cccd3ff 100644
--- a/lib/System/Unix/Process.inc
+++ b/lib/System/Unix/Process.inc
@@ -122,5 +122,29 @@ void Process::PreventCoreFiles() {
 #endif
 }
 
+bool Process::StandardInIsUserInput() {
+#if HAVE_ISATTY
+  return isatty(0);
+#endif
+  // If we don't have isatty, just return false.
+  return false;
+}
+
+bool Process::StandardOutIsDisplayed() {
+#if HAVE_ISATTY
+  return isatty(1);
+#endif
+  // If we don't have isatty, just return false.
+  return false;
+}
+
+bool Process::StandardErrIsDisplayed() {
+#if HAVE_ISATTY
+  return isatty(2);
+#endif
+  // If we don't have isatty, just return false.
+  return false;
+}
+
 }
 // vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
-- 
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