Re: apr_pollset_wakeup() on strange(ish) platforms

Eric Covener <[email protected]> Fri, 25 Jul 2025 08:49:50 -0400
Newsgroups gmane.comp.apache.apr.devel
Message-ID <CALK=YjM6XNq6tGmNhKgsK=ek5F+6bHjjphKuzMX=4jA3rqqp6Q@mail.gmail.com>
On Fri, Jul 18, 2025 at 11:06 AM Branko Čibej <[email protected]> wrote:
>
> Hi,
>
> I'm looking at the implementation of apr_pollset_wakeup(), and if I'm reading this correctly, if APR_FILES_AS_SOCKETS is 0, we only implement funciton for Windows and OS/2. All other platforms just return APR_ENOTIMPL.
>
> But. Is there any reason why there couldn't be a generic implementation for these other platforms, using a socket chasing its own tail on the loopback interface, or some platform-specific local domain socket (the OS/2 implementation does this)?

> I realise the platforms that are currently not covered are not exactly major, but it I also can't think of a reason for this incompleteness.

I was looking at this a year ago or so. It does seems like replacing
the Windows-isms with the basic socket APIs would be pretty
safe/portable.