From ece02cd5829cea836e9365b0845a8ef042d17b0a Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sun, 12 Jun 2011 15:42:51 +0000
Subject: Vendor import of llvm trunk r132879:
 http://llvm.org/svn/llvm-project/llvm/trunk@132879

---
 lib/Support/Unix/Program.inc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'lib/Support/Unix/Program.inc')

diff --git a/lib/Support/Unix/Program.inc b/lib/Support/Unix/Program.inc
index 9f0a9ef..346baf1 100644
--- a/lib/Support/Unix/Program.inc
+++ b/lib/Support/Unix/Program.inc
@@ -338,7 +338,7 @@ Program::Wait(const sys::Path &path,
       else
         MakeErrMsg(ErrMsg, "Child timed out", 0);
 
-      return -1;   // Timeout detected
+      return -2;   // Timeout detected
     } else if (errno != EINTR) {
       MakeErrMsg(ErrMsg, "Error waiting for child process");
       return -1;
@@ -382,7 +382,9 @@ Program::Wait(const sys::Path &path,
         *ErrMsg += " (core dumped)";
 #endif
     }
-    return -1;
+    // Return a special value to indicate that the process received an unhandled
+    // signal during execution as opposed to failing to execute.
+    return -2;
   }
   return result;
 #else
-- 
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