Oliver Bandel wrote:

> Zitat von Mattias Engdegå   rd <mattias@virtutech.se>:
>
>> >If you have all your open descriptors in a list,
>> >you can close them after a fork.
>>
>> That approach does not compose well --- descriptors opened by
>> a library will be excluded.
> [...]
>
> Oh, I have not seen this last sentence.
>
> Well, wouldn't the library offer possibilities
> to close those files?
>
> Can you give an example on where you see problems?

GTK and the X11 library without doubt open a plethora of file
descriptors. If now you fork() in a gtk event handler -- can you tell
me what happens to those file descriptors? 

Regards -- Markus