On Sun, 16 Oct 2016, 6:16 PM <d...@veryhaha.com> wrote: > > > On Saturday, October 15, 2016 at 6:37:08 PM UTC+8, Hotei wrote: > > re "meaningfullness" - I think he's saying that a finalizer for a function > called in a goroutine might not run if main() quits first, intentionally or > otherwise. You can of course check for this specific case by making sure > all your goroutines are cleaned up before exiting main - but in some > (many?) cases that's overkill. > > If it's REALLY important to know which finalizer actions completed you > could log them to disk and analyse the results afterwards to see that all > the boxes got checked. Not quite what the OP was looking for I know - but > might help diagnose problems. > > > > Can you enum any use cases of SetFinalizer > <https://golang.org/src/runtime/mfinal_test.go?h=SetFinalizer>? I mean > the use cases where alternative solutions would do worse than SetFinalizer > <https://golang.org/src/runtime/mfinal_test.go?h=SetFinalizer>. >
I use finalizers in a few of my cgo binding libraries, to delete the private C memory when the Go objects get garbage collected. > > > On Saturday, October 15, 2016 at 3:08:46 AM UTC-4, di...@veryhaha.com > wrote: > > > > On Saturday, October 15, 2016 at 8:18:04 AM UTC+8, Ian Lance Taylor wrote: > > On Fri, Oct 14, 2016 at 4:08 PM, 'Peter Lam' via golang-nuts > <golan...@googlegroups.com> wrote: > > Is there someway to wait for all pending finalizers to be run? > > Not in general, no. Conceptually it doesn't make sense since, as you > know, finalizers not guaranteed to run at all. You could of course > write your finalizers to support this. > > Ian > > > if finalizers not guaranteed to run at all, then what is its > meaningfulness? > > -- > 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. > For more options, visit https://groups.google.com/d/optout. > -- 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. For more options, visit https://groups.google.com/d/optout.
