bug#22521: 24.5; call-process hangs waiting for input with zombie process

[Lars Ingebrigtsen]

Robin Green <robin.green@schibsted.com> writes:

> I called call-process with display set to t so that I could see the
> output incrementally. When the process, which was a shell script,
> finished (apparently) normally and became a zombie, emacs seemed to
> hang indefinitely. Results of bt full in gdb:
>
> #0  0x00007fbebb1b8b4d in read () at ../sysdeps/unix/syscall-template.S:84
> #1  0x0000000000506b66 in emacs_read (__nbytes=16384,
>  __buf=0x7ffffd509680, __fd=19) at /usr/include/bits/unistd.h:44
>         rtnval = <optimized out>

(This bug report unfortunately got no response at the time.)

Are you still seeing this problem in more recent versions of Emacs?  If
so, do you have a step-by-step recipe to reproduce the bug?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no