Re: Emacs for Android with Termux fails to execute most subprocesses: readlink('/proc/self/exe') failed

[Po Lu]

Romário Rios via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org> writes:

> Hello,
>
> I've just downloaded the Android+Termux port of Emacs from here: 
> https://sourceforge.net/projects/android-ports-for-gnu-emacs/files/termux/
>
> I followed the instructions (install Termux first, then install Emacs), then 
> I opened Emacs and tried to edit .emacs
>
> Emacs froze immediately.
>
> Then I forced emacs to close and tried again, this time doing M-x shell RET
>
> Emacs froze again.
>
> I then (after closing and reopening Emacs) opened eshell and tried to execute 
> *anything* besides basic stuff like ls and this is what I get:
>
> $ sh
> readlink('/proc/self/exe') failed: Bad file descriptor
>
> And then the shell hangs.
>
> Any idea why this happens? This doesn't happen with the normal Emacs from 
> Fdroid.
>
> I'm running the armeabi-v7a version of Emacs. My phone is not rooted and I'm 
> running Android 10.
>
> Thanks in advance.
>
> (Please cc me, I'm not subscribed to the list)

I think this issue arises from within the armeabi-v7a process tracing
code, which I wrote blindfolded at the time absent any devices to test
on.  I will investigate this.