diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware/debug_locks.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/middleware/debug_locks.rb | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/debug_locks.rb b/actionpack/lib/action_dispatch/middleware/debug_locks.rb index 74b952528e..03760438f7 100644 --- a/actionpack/lib/action_dispatch/middleware/debug_locks.rb +++ b/actionpack/lib/action_dispatch/middleware/debug_locks.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module ActionDispatch # This middleware can be used to diagnose deadlocks in the autoload interlock. # @@ -41,7 +43,7 @@ module ActionDispatch private def render_details(req) - threads = ActiveSupport::Dependencies.interlock.raw_state do |threads| + threads = ActiveSupport::Dependencies.interlock.raw_state do |raw_threads| # The Interlock itself comes to a complete halt as long as this block # is executing. That gives us a more consistent picture of everything, # but creates a pretty strong Observer Effect. @@ -51,29 +53,29 @@ module ActionDispatch # strictly diagnostic tool (to be used when something has gone wrong), # and not for any sort of general monitoring. - threads.each.with_index do |(thread, info), idx| + raw_threads.each.with_index do |(thread, info), idx| info[:index] = idx info[:backtrace] = thread.backtrace end - threads + raw_threads end str = threads.map do |thread, info| if info[:exclusive] - lock_state = "Exclusive" + lock_state = "Exclusive".dup elsif info[:sharing] > 0 - lock_state = "Sharing" + lock_state = "Sharing".dup lock_state << " x#{info[:sharing]}" if info[:sharing] > 1 else - lock_state = "No lock" + lock_state = "No lock".dup end if info[:waiting] lock_state << " (yielded share)" end - msg = "Thread #{info[:index]} [0x#{thread.__id__.to_s(16)} #{thread.status || 'dead'}] #{lock_state}\n" + msg = "Thread #{info[:index]} [0x#{thread.__id__.to_s(16)} #{thread.status || 'dead'}] #{lock_state}\n".dup if info[:sleeper] msg << " Waiting in #{info[:sleeper]}" |