diff options
| -rw-r--r-- | indra/llcommon/llcoros.cpp | 74 | ||||
| -rw-r--r-- | indra/llcommon/llcoros.h | 6 |
2 files changed, 27 insertions, 53 deletions
diff --git a/indra/llcommon/llcoros.cpp b/indra/llcommon/llcoros.cpp index 14bfb98629..70d8dfc8b9 100644 --- a/indra/llcommon/llcoros.cpp +++ b/indra/llcommon/llcoros.cpp @@ -288,25 +288,15 @@ std::string LLCoros::launch(const std::string& prefix, const callable_t& callabl return name; } +namespace +{ + #if LL_WINDOWS static const U32 STATUS_MSC_EXCEPTION = 0xE06D7363; // compiler specific -U32 cpp_exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop, const std::string& name) +U32 exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop) { - // 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 @@ -319,28 +309,38 @@ U32 cpp_exception_filter(U32 code, struct _EXCEPTION_POINTERS *exception_infop, } } -void LLCoros::sehHandle(const std::string& name, const LLCoros::callable_t& callable) +void sehandle(const LLCoros::callable_t& callable) { __try { - LLCoros::toplevelTryWrapper(name, callable); + callable(); } - __except (cpp_exception_filter(GetExceptionCode(), GetExceptionInformation(), name)) + __except (exception_filter(GetExceptionCode(), GetExceptionInformation())) { - // convert to C++ styled exception for handlers other than bugsplat + // convert to C++ styled exception // Note: it might be better to use _se_set_translator // if you want exception to inherit full callstack - // - // 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()); + sprintf(integer_string, "SEH, code: %lu\n", GetExceptionCode()); throw std::exception(integer_string); } } -#endif -void LLCoros::toplevelTryWrapper(const std::string& name, const callable_t& callable) +#else // ! LL_WINDOWS + +inline void sehandle(const LLCoros::callable_t& callable) +{ + callable(); +} + +#endif // ! LL_WINDOWS + +} // anonymous namespace + +// 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) { // keep the CoroData on this top-level function's stack frame CoroData corodata(name); @@ -350,12 +350,12 @@ void LLCoros::toplevelTryWrapper(const std::string& name, const callable_t& call // run the code the caller actually wants in the coroutine try { - callable(); + sehandle(callable); } catch (const Stop& exc) { LL_INFOS("LLCoros") << "coroutine " << name << " terminating because " - << exc.what() << LL_ENDL; + << exc.what() << LL_ENDL; } catch (const LLContinueError&) { @@ -366,36 +366,14 @@ void LLCoros::toplevelTryWrapper(const std::string& name, const callable_t& call } catch (...) { -#if LL_WINDOWS - // Any OTHER kind of uncaught exception will cause the viewer to - // crash, SEH handling should catch it and report to bugsplat. - LOG_UNHANDLED_EXCEPTION(STRINGIZE("coroutine " << name)); - // to not modify callstack - throw; -#else // Stash any OTHER kind of uncaught exception in the rethrow() queue // to be rethrown by the main fiber. LL_WARNS("LLCoros") << "Capturing uncaught exception in coroutine " << name << LL_ENDL; LLCoros::instance().saveException(name, std::current_exception()); -#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) -{ -#if LL_WINDOWS - // Because SEH can's have unwinding, need to call a wrapper - // 'try' is inside SEH handling to not catch LLContinue - sehHandle(name, callable); -#else - toplevelTryWrapper(name, callable); -#endif -} - //static void LLCoros::checkStop() { diff --git a/indra/llcommon/llcoros.h b/indra/llcommon/llcoros.h index dbff921f16..966ce03296 100644 --- a/indra/llcommon/llcoros.h +++ b/indra/llcommon/llcoros.h @@ -307,11 +307,7 @@ public: private: std::string generateDistinctName(const std::string& prefix) const; - void toplevelTryWrapper(const std::string& name, const callable_t& callable); -#if LL_WINDOWS - void sehHandle(const std::string& name, const callable_t& callable); // calls toplevelTryWrapper -#endif - void toplevel(std::string name, callable_t callable); // calls sehHandle or toplevelTryWrapper + void toplevel(std::string name, callable_t callable); struct CoroData; static CoroData& get_CoroData(const std::string& caller); void saveException(const std::string& name, std::exception_ptr exc); |