Re: FPATH/autoload still strange in -dev-21

[Sven Wischnowsky <wischnow@informatik.hu-berlin.de>]

Bart Schaefer wrote:

> I just got -dev-21 + patches to 10477 compiled and installed, and I'm still
> having the strange problems with exported FPATH and (autoload -U) failing
> that I described in 10316.  I examined strace output and discovered that
> in the expression:
> 
> 	if (autoload -U 2> /dev/null); then
> 
> First zsh forks the subshell, and then the subshell forks again, apparently
> in order to redirect the output of the builtin; but then the subshell exits
> for some reason I can't follow, leaving the autoload running as an orphan.
> So zsh never sees the exit status of autoload.  (The process forked from
> the subshell is plugging away close()ing each of 256 file descriptors, 
> except for 0, 1, and 2, most of which are returning EBADF, while its parent
> subshell is exiting.)

The subshell shouldn't fork, of course. That needs only be done when
we are in a pipe, not for ordinary redirection...

> ...
> 
> It occurs to me that this could be related to Geoff's report of the "jobs"
> command claiming there is a nonexistent job 3. 

Interestingly, I had the same idea before coming to this paragraph.

> Why having FPATH in the
> environment makes ths happen, I have no idea, but I can reproduce it quite
> nicely, so if anyone (Sven?) wants the sample strace output I'd be happy
> to provide it.

Yes, please.

Bye
 Sven


--
Sven Wischnowsky                         wischnow@informatik.hu-berlin.de