I'm hopeful this is a solved problem, and I'm just not searching for the
right thing yet.
I'd like a way to send a 'notify' to php processes that want it, without
the use of a moderator or helper process. One way I tried is to use
Daniel Rozsnyo multicast patch and have each php process join a
multicast group and wait. Interestingly, this works when invoked on the
CLI, but not from a browser. Daniel suspects there may be some
interference from apache.
The basic problem is sort of akin to a chat program. Multiple clients
join and sit waiting for new messages. Using ajax, I open an http
connection to a php script on the server, which then waits for a certain
amount of time for a message. If none arrives, I respond as such and a
new connection is created. Otherwise, I send the message back to the
client. I need some way to notify the waiting processes that there's a
new message so they can spring into action.
Thanks!
Marty
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