On Aug 24 09:37, Roger Wells wrote: > On 08/24/2015 09:05 AM, Nellis, Kenneth wrote: > > From: Qian Hong > >> I just found `strace -f` hangs forever for me. > >> > >> $ uname -a > >> CYGWIN_NT-6.1 fracting-PC 2.2.1(0.289/5/3) 2015-08-15 11:00 i686 Cygwin) > >> > >> $ cat parent.sh > >> ./child.sh > >> > >> $ cat child.sh > >> echo haha > >> > >> $ strace -f -o out.txt bash -c parent.sh #hangs forever. > > > > FWIW, this also seems to hang for me, but can't confirm that it > > hangs "forever", as I didn't wait that long. Ctrl/C-ing out works, > > but that takes several seconds to take effect. And then I can't > > delete out.txt: > > > > $ rm -f out.txt > > I also can confirm this on the same cygwin release but for x86_64:
No more metoos required, thank you. It's a generic problem when trying to trace forking/spawning parents without also tracing their children. Having said that, I don't know what the cause is, but I guess that "nobody did it" for a while. Also, "don't do that" for now ;) Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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