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[libclang] Install a fatal error handler that will call abort() instead of exit() 

when there is a report_fatal_error() call.

rdar://10507984

llvm-svn: 146641
This commit is contained in:
Argyrios Kyrtzidis 2011-12-15 04:52:41 +00:00
parent f9322415dc
commit be52b5ff6a
1 changed files with 12 additions and 0 deletions
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12
clang/tools/libclang/CIndex.cpp
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@ -2336,6 +2336,17 @@ RefNamePieces buildPieces(unsigned NameFlags, bool IsMemberRefExpr,
static llvm::sys::Mutex EnableMultithreadingMutex;
static bool EnabledMultithreading;
static void fatal_error_handler(void *user_data, const std::string& reason) {
llvm::SmallString<64> Buffer;
llvm::raw_svector_ostream OS(Buffer);
OS << "LIBCLANG FATAL ERROR: " << reason << "\n";
StringRef MessageStr = OS.str();
// Write the result out to stderr avoiding errs() because raw_ostreams can
// call report_fatal_error.
::write(2, MessageStr.data(), MessageStr.size());
::abort();
}
extern "C" {
CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
int displayDiagnostics) {
@ -2351,6 +2362,7 @@ CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
{
llvm::sys::ScopedLock L(EnableMultithreadingMutex);
if (!EnabledMultithreading) {
llvm::install_fatal_error_handler(fatal_error_handler, 0);
llvm::llvm_start_multithreaded();
EnabledMultithreading = true;
}