libclang: Disable LLVM pretty stack trace functionality, which inadvertently
sets up signal handlers it shouldn't when we are being used a shared library.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116084 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index 57367dd..1dfabca 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -32,6 +32,7 @@
#include "clang/Lex/Preprocessor.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/CrashRecoveryContext.h"
+#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/Timer.h"
@@ -1919,6 +1920,10 @@
extern "C" {
CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
int displayDiagnostics) {
+ // Disable pretty stack trace functionality, which will otherwise be a very
+ // poor citizen of the world and set up all sorts of signal handlers.
+ llvm::DisablePrettyStackTrace = true;
+
// We use crash recovery to make some of our APIs more reliable, implicitly
// enable it.
llvm::CrashRecoveryContext::Enable();