bug#47596: File descriptor error when exiting emacs on android 11

[Lars Ingebrigtsen]

Henrik Grimler <henrik@grimler.se> writes:

>> > In emacs fdopen is run in init_standard_fds, where we have
>> > 
>> >   force_open (STDERR_FILENO, O_RDONLY);
>> > 
>> >   /* Set buferr if possible on platforms defining _PC_PIPE_BUF, as
>> >      they support the notion of atomic writes to pipes.  */
>> >   #ifdef _PC_PIPE_BUF
>> >     buferr = fdopen (STDERR_FILENO, "w");
>> >     if (buferr)
>> >       setvbuf (buferr, NULL, _IOLBF, 0);
>> >   #endif
>> > }
>> 
>> This just creates a copy of stderr that has special buffering. 
>> Again,
>> entirely valid for a C program to do that.
>
> I probably should have included a bit more context in the android bug
> report to better show what the code does. 

Did you try to include this context in the Android bug report and see
what they say then?

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