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-rw-r--r--indra/llcommon/llexception.cpp25
1 files changed, 25 insertions, 0 deletions
diff --git a/indra/llcommon/llexception.cpp b/indra/llcommon/llexception.cpp
index 5ce8958687..b584b0ff8b 100644
--- a/indra/llcommon/llexception.cpp
+++ b/indra/llcommon/llexception.cpp
@@ -24,11 +24,14 @@
// `_GNU_SOURCE` macro or `BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED` if
// _Unwind_Backtrace is available without `_GNU_SOURCE`."
#define BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED
+
#if LL_WINDOWS
// On Windows, header-only implementation causes macro collisions -- use
// prebuilt library
#define BOOST_STACKTRACE_LINK
+#include <excpt.h>
#endif // LL_WINDOWS
+
#include <boost/stacktrace.hpp>
// other Linden headers
#include "llerror.h"
@@ -85,3 +88,25 @@ void annotate_exception_(boost::exception& exc)
// Anyway, which of us is really going to examine more than 100 frames?
exc << errinfo_stacktrace(boost::stacktrace::stacktrace(1, 100));
}
+
+#if LL_WINDOWS
+
+// For windows SEH exception handling we sometimes need a filter that will
+// separate C++ exceptions from C SEH exceptions
+static const U32 STATUS_MSC_EXCEPTION = 0xE06D7363; // compiler specific
+
+U32 msc_exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop)
+{
+ if (code == STATUS_MSC_EXCEPTION)
+ {
+ // C++ exception, go on
+ return EXCEPTION_CONTINUE_SEARCH;
+ }
+ else
+ {
+ // handle it
+ return EXCEPTION_EXECUTE_HANDLER;
+ }
+}
+
+#endif //LL_WINDOWS