[OE-core] long (never ending?) do_install for adwaita-icon-theme

[Alexander Kanavin]

On 08/28/2017 06:14 PM, Alexander Kanavin wrote:
> On 08/28/2017 05:43 PM, Richard Purdie wrote:
> 
>> The bitfield operation that says "can I read this fd?" probably
>> overflows into the next data item in the structure (I haven't checked
>> exactly how it fails). It may be "set", certainly the case I debugged
>> had to have thought it was and the code thinks "fd 1025 is ready for
>> reading" when in fact it may not be. The code then calls read() on it
>> and if it wasn't ready for reading, it would block.
> 
> Right; what I am getting at is that we might have a bug here 
> (specifically the absence of check against FD_SETSIZE), rather than 
> something that needs to be solved by switching to poll().
> 
> Does the code use that constant anywhere?

Actually, wait: "Executing FD_CLR() or FD_SET() with a value of fd that 
is negative or is equal to or larger than FD_SETSIZE will result in 
undefined behavior." (man select)

This means that select() cannot be used with fd >= FD_SETSIZE at all?

Alex