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-rw-r--r--indra/llcommon/llcoros.cpp76
1 files changed, 60 insertions, 16 deletions
diff --git a/indra/llcommon/llcoros.cpp b/indra/llcommon/llcoros.cpp
index 23419a52a7..111c50af93 100644
--- a/indra/llcommon/llcoros.cpp
+++ b/indra/llcommon/llcoros.cpp
@@ -56,6 +56,10 @@
#include "stringize.h"
#include "llexception.h"
+#if LL_WINDOWS
+#include <excpt.h>
+#endif
+
// static
LLCoros::CoroData& LLCoros::get_CoroData(const std::string& caller)
{
@@ -249,29 +253,58 @@ std::string LLCoros::launch(const std::string& prefix, const callable_t& callabl
#if LL_WINDOWS
-void LLCoros::winlevel(const callable_t& callable)
+static const U32 STATUS_MSC_EXCEPTION = 0xE06D7363; // compiler specific
+
+U32 cpp_exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop, const std::string& name)
+{
+ // C++ exceptions were logged in toplevelTryWrapper, but not SEH
+ // log SEH exceptions here, to make sure it gets into bugsplat's
+ // report and because __try won't allow std::string operations
+ if (code != STATUS_MSC_EXCEPTION)
+ {
+ LL_WARNS() << "SEH crash in " << name << ", code: " << code << LL_ENDL;
+ }
+ // Handle bugsplat here, since GetExceptionInformation() can only be
+ // called from within filter for __except(filter), not from __except's {}
+ // Bugsplat should get all exceptions, C++ and SEH
+ LLApp::instance()->reportCrashToBugsplat(exception_infop);
+
+ // Only convert non C++ exceptions.
+ if (code == STATUS_MSC_EXCEPTION)
+ {
+ // C++ exception, go on
+ return EXCEPTION_CONTINUE_SEARCH;
+ }
+ else
+ {
+ // handle it
+ return EXCEPTION_EXECUTE_HANDLER;
+ }
+}
+
+void LLCoros::winlevel(const std::string& name, const callable_t& callable)
{
__try
{
- callable();
+ toplevelTryWrapper(name, callable);
}
- __except (msc_exception_filter(GetExceptionCode(), GetExceptionInformation()))
+ __except (cpp_exception_filter(GetExceptionCode(), GetExceptionInformation(), name))
{
- // convert to C++ styled exception
+ // convert to C++ styled exception for handlers other than bugsplat
// Note: it might be better to use _se_set_translator
// if you want exception to inherit full callstack
- char integer_string[32];
- sprintf(integer_string, "SEH, code: %lu\n", GetExceptionCode());
+ //
+ // in case of bugsplat this will get to exceptionTerminateHandler and
+ // looks like fiber will terminate application after that
+ char integer_string[512];
+ sprintf(integer_string, "SEH crash in %s, code: %lu\n", name.c_str(), GetExceptionCode());
throw std::exception(integer_string);
}
}
#endif
-// Top-level wrapper around caller's coroutine callable.
-// Normally we like to pass strings and such by const reference -- but in this
-// case, we WANT to copy both the name and the callable to our local stack!
-void LLCoros::toplevel(std::string name, callable_t callable)
+void LLCoros::toplevelTryWrapper(const std::string& name, const callable_t& callable)
{
// keep the CoroData on this top-level function's stack frame
CoroData corodata(name);
@@ -281,16 +314,12 @@ void LLCoros::toplevel(std::string name, callable_t callable)
// run the code the caller actually wants in the coroutine
try
{
-#if LL_WINDOWS && LL_RELEASE_FOR_DOWNLOAD
- winlevel(callable);
-#else
callable();
-#endif
}
catch (const Stop& exc)
{
LL_INFOS("LLCoros") << "coroutine " << name << " terminating because "
- << exc.what() << LL_ENDL;
+ << exc.what() << LL_ENDL;
}
catch (const LLContinueError&)
{
@@ -303,10 +332,25 @@ void LLCoros::toplevel(std::string name, callable_t callable)
{
// Any OTHER kind of uncaught exception will cause the viewer to
// crash, hopefully informatively.
- CRASH_ON_UNHANDLED_EXCEPTION(STRINGIZE("coroutine " << name));
+ LOG_UNHANDLED_EXCEPTION(STRINGIZE("coroutine " << name));
+ // to not modify callstack
+ throw;
}
}
+// Top-level wrapper around caller's coroutine callable.
+// Normally we like to pass strings and such by const reference -- but in this
+// case, we WANT to copy both the name and the callable to our local stack!
+void LLCoros::toplevel(std::string name, callable_t callable)
+{
+#if LL_WINDOWS
+ // Can not use __try in functions that require unwinding, so use one more wrapper
+ winlevel(name, callable);
+#else
+ toplevelTryWrapper(name, callable);
+#endif
+}
+
//static
void LLCoros::checkStop()
{