Mike Dalpee <mikedalpee@xxxxxxxxxxxx> writes: > I am trying to port some legacy code to properly work in the face of > thread cancellation. What thread library are you using? E.g., are you using glibc on a GNU/Linux system, or something else? How are you cancelling the thread? Via pthread_cancel or something else? Are you using an ARM system or something else? > Based on information I have gleaned from searching the net, it appears > that any catch(...) handlers that try to finalize the exception must > be augmented to first catch abi::_forced_unwind and simply rethrow the > exception for cancellation to work properly. That seems plausible, assuming you use a simple "throw;" to rethrow the exception. > I am running into a problem where the rethrow of abi::_forced_unwind > is being treated as an unhandled exception by the runtime, thereby > causing an abort to occur. So, my questions are: > > 1) Should what I am doing work? Ideally, yes. > 2) Is there a particular way GCC must be built for the rethrow to work? No. > 3) Is there a particular combination of GCC/GLIBC versions required > for the rethrow to work? The GCC version shouldn't matter. The way that GLIBC was built does matter. Ian
