Module: Flamingo::Daemon::TrapKeeper

Included in:
ChildProcess, Flamingod
Defined in:
lib/flamingo/daemon/trap_keeper.rb

Class Method Summary collapse

Class Method Details

.trap(signal, &block) ⇒ Object

Use instead of Kernel.trap to ensure that only the process that originally registered the trap has its block executed. This is necessary for cases where we fork after setting up traps since the child process gets the traps from the parent.



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# File 'lib/flamingo/daemon/trap_keeper.rb', line 9

def trap(signal,&block)
  owner_pid = Process.pid
  Kernel.trap(signal) do
    if Process.pid == owner_pid
      block.call
    end
  end
end