Class: ActiveSupport::Concurrency::LoadInterlockAwareMonitor

Inherits:
Monitor
  • Object
show all
Defined in:
lib/active_support/concurrency/load_interlock_aware_monitor.rb

Overview

A monitor that will permit dependency loading while blocked waiting for the lock.

Instance Method Summary collapse

Instance Method Details

#mon_enter ⇒ Object

Enters an exclusive section, but allows dependency loading while blocked



15
16
17
18
 
# File 'lib/active_support/concurrency/load_interlock_aware_monitor.rb', line 15

def mon_enter
  mon_try_enter ||
    ActiveSupport::Dependencies.interlock.permit_concurrent_loads { super }
end

#synchronize(&block) ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/active_support/concurrency/load_interlock_aware_monitor.rb', line 20

def synchronize(&block)
  Thread.handle_interrupt(EXCEPTION_NEVER) do
    mon_enter

    begin
      Thread.handle_interrupt(EXCEPTION_IMMEDIATE, &block)
    ensure
      mon_exit
    end
  end
end