Can PIPE_BUF be increased?

[Malcolm Matalka]

Den 7 jan 2016 4:24 em skrev "Malcolm Matalka" <mmatalka at gmail.com>:
>
> As far as I can tell, PIPE_BUF is 512 bytes by default.  Using getconf
> and looking at the header files /usr/include.  I'm writing a program
> that would benefit from a larger PIPE_BUF, is it possible to change this
> value?  It looks like Linux and OS X have a higher default and OS X will
> do some magic to increase the size if necessary.  I haven't found
> anything indicating the same in FreeBSD.
>

I realized I might not be clear enough here: I'm trying to increase the
number if bytes i can write to a pipe atomically.

> Thanks,
> /Malcolm
>