On Mon, 12 Oct 2009, Ivan Voras wrote:
2009/10/12 Alfred Perlstein <[email protected]>:
* Ivan Voras <[email protected]> [091012 04:29] wrote:
I'm trying to work around some extreme brain damageness in PHP (yes, it
sucks) which doesn't have a way to set TCP_NODELAY on stream sockets so
I'm wondering what are my other options? Is there a way to set TCP_NODELAY
system-wide?
Ivan, many people write php extensions, maybe you can do that?
While writing PHP extensions isn't hard (I've done it before), I'm not yet
convinced it's worth the effort in this case - I don't know if TCP_NODELAY
will help at all. I'll think about it if time permits.
Create a libc wrapper that calls setsockopt(2) whenever socket(2) is called to
create a TCP socket in php, and inject it using LD_PRELOAD. This is a similar
trick to what things like socks proxy library wrappers use, is easy to hack
together, and avoids having to modify the kernel. When it doesn't work, move
on, and if it does, change php :-).
Robert N M Watson
Computer Laboratory
University of Cambridge
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