[llvm] r227094 - [Support][Windows] Disable error dialog boxes when stack trace printing is enabled.

[Michael J. Spencer]

Author: mspencer
Date: Mon Jan 26 11:05:02 2015
New Revision: 227094

URL: http://llvm.org/viewvc/llvm-project?rev=227094&view=rev
Log:
[Support][Windows] Disable error dialog boxes when stack trace printing is enabled.

Modified:
    llvm/trunk/lib/Support/Windows/Signals.inc

Modified: llvm/trunk/lib/Support/Windows/Signals.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Windows/Signals.inc?rev=227094&r1=227093&r2=227094&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Windows/Signals.inc (original)
+++ llvm/trunk/lib/Support/Windows/Signals.inc Mon Jan 26 11:05:02 2015
@@ -279,6 +279,14 @@ void sys::DontRemoveFileOnSignal(StringR
 /// PrintStackTraceOnErrorSignal - When an error signal (such as SIBABRT or
 /// SIGSEGV) is delivered to the process, print a stack trace and then exit.
 void sys::PrintStackTraceOnErrorSignal() {
+  // Don't pop up any dialog boxes.
+  // We're already handling writing a "something went wrong" message.
+  _set_abort_behavior(0, _WRITE_ABORT_MSG);
+  // Disable Dr. Watson.
+  _set_abort_behavior(0, _CALL_REPORTFAULT);
+  // Disable standard error dialog box.
+  SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
+
   RegisterHandler();
   LeaveCriticalSection(&CriticalSection);
 }