1 # -*- encoding: binary -*-
3 # base class for \Rainbows! concurrency models, this is currently used by
4 # ThreadSpawn and ThreadPool models. Base is also its own
5 # (non-)concurrency model which is basically Unicorn-with-keepalive, and
6 # not intended for production use, as keepalive with a pure prefork
7 # concurrency model is extremely expensive.
11 def sig_receiver(worker)
13 worker.to_io.kgio_wait_readable
14 worker.kgio_tryaccept # Unicorn::Worker#kgio_tryaccept
16 Rainbows.alive or return
17 Unicorn.log_error(Rainbows.server.logger, "signal receiver", e)
21 # this method is called by all current concurrency models
22 def init_worker_process(worker) # :nodoc:
23 readers = super(worker)
24 Rainbows::Response.setup
25 Rainbows::MaxBody.setup
26 Rainbows.worker = worker
28 # spawn Threads since Logger takes a mutex by default and
29 # we can't safely lock a mutex in a signal handler
30 trap(:USR1) { Thread.new { reopen_worker_logs(worker.nr) } }
31 trap(:QUIT) { Thread.new { Rainbows.quit! } }
32 [:TERM, :INT].each { |sig| trap(sig) { exit!(0) } } # instant shutdown
33 Rainbows::ProcessClient.const_set(:APP, Rainbows.server.app)
34 Thread.new { sig_receiver(worker) }
35 logger.info "Rainbows! #@use worker_connections=#@worker_connections"
36 Rainbows.readers = readers # for Rainbows.quit
37 readers # unicorn 4.8+ needs this
40 def process_client(client)
44 def self.included(klass) # :nodoc:
45 klass.const_set :LISTENERS, Rainbows::HttpServer::LISTENERS
48 def reopen_worker_logs(worker_nr)
49 logger.info "worker=#{worker_nr} reopening logs..."
50 Unicorn::Util.reopen_logs
51 logger.info "worker=#{worker_nr} done reopening logs"
53 Rainbows.quit! # let the master reopen and refork us