aboutsummaryrefslogtreecommitdiffstats
path: root/actionpack/lib/action_dispatch/middleware/debug_locks.rb
diff options
context:
space:
mode:
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware/debug_locks.rb')
-rw-r--r--actionpack/lib/action_dispatch/middleware/debug_locks.rb16
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]}"