"Bernhard R. Link" <brl+ccmadness@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> * Shawn O. Pearce <spearce@xxxxxxxxxxx> [110228 21:27]:
> > By using a hard upper limit that is below the rlimit of the current
> > process, it is not necessary to check for EMFILE on every single
> > fd-allocating system call. Instead reserving 8 file descriptors
> > makes it safe to assume the system call won't fail due to being
> > over limit in the filedescriptor limit.
>
> Isn't 8 quite a bit low for a reserve? Couldn't some libc stuff
> (especially nss modules perhaps activated by something) easily surpass
> that?
Originally I proposed 25 to Junio, but he scoffed and said that
was quite high. So I went with 8, 3 for std{in,out,err} and 5 as
a WAG for everything else.
Its arbitrary, 25 might be a better WAG than 8...
--
Shawn.
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