and when you change that "pass a pointer" to "have a shim c-side function return a uint32 that you just assign on the Go side," what happens?
On Fri, May 24, 2019 at 8:52 AM Steven Estes <est...@yottadb.com> wrote: > Thankyou Ian, > > I did try a few runs with GODEBUG set to "cgocheck=2" and just the > "normal" errors (bad Go heap ptr, and sweep increased allocation) occurred. > I'm assuming I would have seen a different kind of panic if it had detected > something. > > Like I mentioned in the last post, we are very careful not to pass Go > memory to with one exception where we pass a pointer to a Go uint32 that we > expect to be filled in by the call. My understanding is this is permitted > (cgo does not complain though it is very quick to complain if I try to pass > the address of a string or byte array or structure). > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/3e71a176-ef6f-4fad-b282-0318d47fda4f%40googlegroups.com > <https://groups.google.com/d/msgid/golang-nuts/3e71a176-ef6f-4fad-b282-0318d47fda4f%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- *Michael T. jonesmichael.jo...@gmail.com <michael.jo...@gmail.com>* -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CALoEmQyW9o%2BqECobt356qt_AYnRAGdsE9KrDpzHUa73FoX%3DVSA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
