From 90bb3f3706cdf4e26df5e2c977d9232ba7b89c4e Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 16 Jul 2009 06:17:45 +0000
Subject: add a knob to turn off PrettyStackTrace globally.  Patch by Zoltan
 Varga!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75897 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/PrettyStackTrace.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'lib/Support/PrettyStackTrace.cpp')

diff --git a/lib/Support/PrettyStackTrace.cpp b/lib/Support/PrettyStackTrace.cpp
index 14290a1284..536d9b023f 100644
--- a/lib/Support/PrettyStackTrace.cpp
+++ b/lib/Support/PrettyStackTrace.cpp
@@ -19,6 +19,10 @@
 #include "llvm/ADT/SmallString.h"
 using namespace llvm;
 
+namespace llvm {
+  bool DisablePrettyStackTrace = false;
+}
+
 // FIXME: This should be thread local when llvm supports threads.
 static sys::ThreadLocal<const PrettyStackTraceEntry> PrettyStackTraceHead;
 
@@ -75,7 +79,8 @@ static void CrashHandler(void *Cookie) {
 }
 
 static bool RegisterCrashPrinter() {
-  sys::AddSignalHandler(CrashHandler, 0);
+  if (!DisablePrettyStackTrace)
+    sys::AddSignalHandler(CrashHandler, 0);
   return false;
 }
 
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