On Wed, 6 Nov 2019 15:12:41 +0100 Václav Doležal <vdole...@redhat.com> wrote:
> I think this is bad solution. If some process deliberately closes stdout and > stderr, screen will block until that process exits. > > I am wondering why the zombies show up at all. They were reaped correctly on > my test process (code below). I guess there is some race with SIGCHLD handler. > Right that makes sense, looking at how SIGCHLD is handled, seems like we only tell it to wait for one child, so if it is slow system, a lot of childs can stop, but it may only wait for one of them: https://git.savannah.gnu.org/cgit/screen.git/tree/src/screen.c?h=screen-v4#n1593 seems, like this line should have += instead of = Axel, can you try changing above line instead? Cheers, Amadeusz