On Sat, Oct 27, 2012 at 10:24:09AM -0400, Felix wrote: > The attached patch adds signal handling for the "serious" signals > mentioned above. This is quite useful, since it makes it possible > to generate a call-trace on errors that would normally just abort > the process. In "csi", the REPL will be reentered. > > Setting user-level signal handlers for these signals is not allowed, > as they the runtime-system needs to do some special processing for > these, but the exceptions thrown as a result of the signals can be > caught with the normal exception-handling procedures. > > Recursive invocations of the signal handler (which would mean > something is seriously broken, like an inconsistent heap) will still > abort the process (this is also required to avoid having to siglongjmp > out of the recursive handler, which is undefined according to > POSIX). > > The runtime option "-:S" can be used to disable setting up handlers > for these signals.Ã > > THe patch also adds "signal/bus", which was missing from the > "posix" unit.
Cool, thanks. I've pushed it. Cheers, Peter -- http://sjamaan.ath.cx -- "The process of preparing programs for a digital computer is especially attractive, not only because it can be economically and scientifically rewarding, but also because it can be an aesthetic experience much like composing poetry or music." -- Donald Knuth _______________________________________________ Chicken-hackers mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/chicken-hackers
