Class: Flamingo::Daemon::ChildProcess

Inherits:
Object
  • Object
show all
Includes:
TrapKeeper
Defined in:
lib/flamingo/daemon/child_process.rb

Direct Known Subclasses

DispatcherProcess, WaderProcess, WebServerProcess

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from TrapKeeper

trap

Instance Attribute Details

#pid ⇒ Object

Returns the value of attribute pid.



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# File 'lib/flamingo/daemon/child_process.rb', line 8

def pid
  @pid
end

Instance Method Details

#kill(sig) ⇒ Object Also known as: signal 



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# File 'lib/flamingo/daemon/child_process.rb', line 10

def kill(sig)
  Process.kill(sig,pid)
end

#running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/flamingo/daemon/child_process.rb', line 15

def running?
  # Borrowed from daemons gem
  Process.kill(0, pid)
  return true
rescue Errno::ESRCH
  return false
rescue ::Exception
  # for example on EPERM (process exists but does not belong to us)
  return true
end

#start ⇒ Object 



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# File 'lib/flamingo/daemon/child_process.rb', line 26

def start
  self.pid = fork do
    post_fork
    run
  end
end