How to upgrade nginx binary on fly

[vivek goel]

I am trying to upgrade nginx binary on fly.
But when I am giving signal to upgrade  the binary it is giving following
error:

2012/07/09 14:34:39 [crit] 22688#0: the changing binary signal is ignored:
you should shutdown or terminate before either old or new binary's process

My core configuration look like this:

user  vivek;
worker_processes  2;
events {
    worker_connections  1024;
}



regards
Vivek Goel
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