[llvm-commits] [llvm] r75897 - in /llvm/trunk: include/llvm/Support/PrettyStackTrace.h lib/Support/PrettyStackTrace.cpp

[Chris Lattner]

Author: lattner
Date: Thu Jul 16 01:17:45 2009
New Revision: 75897

URL: http://llvm.org/viewvc/llvm-project?rev=75897&view=rev
Log:
add a knob to turn off PrettyStackTrace globally.  Patch by Zoltan
Varga!

Modified:
    llvm/trunk/include/llvm/Support/PrettyStackTrace.h
    llvm/trunk/lib/Support/PrettyStackTrace.cpp

Modified: llvm/trunk/include/llvm/Support/PrettyStackTrace.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/PrettyStackTrace.h?rev=75897&r1=75896&r2=75897&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Support/PrettyStackTrace.h (original)
+++ llvm/trunk/include/llvm/Support/PrettyStackTrace.h Thu Jul 16 01:17:45 2009
@@ -18,6 +18,12 @@
 
 namespace llvm {
   class raw_ostream;
+
+  /// DisablePrettyStackTrace - Set this to true to disable this module. This
+  /// might be neccessary if the host application installs its own signal
+  /// handlers which conflict with the ones installed by this module.
+  /// Defaults to false.
+  extern bool DisablePrettyStackTrace;
   
   /// PrettyStackTraceEntry - This class is used to represent a frame of the
   /// "pretty" stack trace that is dumped when a program crashes. You can define

Modified: llvm/trunk/lib/Support/PrettyStackTrace.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/PrettyStackTrace.cpp?rev=75897&r1=75896&r2=75897&view=diff

==============================================================================
--- llvm/trunk/lib/Support/PrettyStackTrace.cpp (original)
+++ llvm/trunk/lib/Support/PrettyStackTrace.cpp Thu Jul 16 01:17:45 2009
@@ -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 bool RegisterCrashPrinter() {
-  sys::AddSignalHandler(CrashHandler, 0);
+  if (!DisablePrettyStackTrace)
+    sys::AddSignalHandler(CrashHandler, 0);
   return false;
 }