El día viernes, noviembre 06, 2020 a las 10:02:46a. m. -0800, Ian Zimmerman
escribió:
> On 2020-11-06 08:25, Matthias Apitz wrote:
>
> > See also man page of wait(2): the errno=ECHILD:
>
> > ECHILD (for waitpid() or waitid()) The process specified by pid
> > (waitpid()) or idtype and id (waitid()) does not exist or is
> > not a child of the calling process. (This can happen for one's
> > own child if the action for SIGCHLD is set to SIG_IGN. See
> > also the Linux Notes section about threads.)
>
> So, does mutt set SIG_IGN for SIGCHLD? Maybe it should not, or maybe it
> should temporarily restore it in places like this where it synchronously
> waits for a child. That seems like a cleaner solution than the proposed
> patch.
In my case it seems to be the case that the application servers
which are using mutt have set SIGCHLD to SIG_IGN. So, mutt, if
it depends on sync waiting for it children, should set it to its
needs or handle (like the proposed patch does) the ECHILD
situation correctly.
matthias
--
Matthias Apitz, ✉ [email protected], http://www.unixarea.de/ +49-176-38902045
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