On Wednesday, 28 December 2016 at 11:30:22 UTC, Nemanja Boric wrote: > What you should do is following: > > 1. Allocate all needed data, convert all D strings into C > strings, etc. > 2. fork > 3. exec immediately, not using anything from standard library > between 2 and 3. OK, thank you.. I'm trying it and still haven't hanging.