Add bin and edit workflow

bin/gems/concurrent-ruby-1.3.5/lib/concurrent-ruby/concurrent/concern/logging.rb

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+require 'concurrent/atomic/atomic_reference'
+
+module Concurrent
+  module Concern
+
+    # Include where logging is needed
+    #
+    # @!visibility private
+    module Logging
+      # The same as Logger::Severity but we copy it here to avoid a dependency on the logger gem just for these 7 constants
+      DEBUG, INFO, WARN, ERROR, FATAL, UNKNOWN = 0, 1, 2, 3, 4, 5
+      SEV_LABEL = %w[DEBUG INFO WARN ERROR FATAL ANY].freeze
+
+      # Logs through {Concurrent.global_logger}, it can be overridden by setting @logger
+      # @param [Integer] level one of Concurrent::Concern::Logging constants
+      # @param [String] progname e.g. a path of an Actor
+      # @param [String, nil] message when nil block is used to generate the message
+      # @yieldreturn [String] a message
+      def log(level, progname, message = nil, &block)
+        logger = if defined?(@logger) && @logger
+                   @logger
+                 else
+                   Concurrent.global_logger
+                 end
+        logger.call level, progname, message, &block
+      rescue => error
+        $stderr.puts "`Concurrent.global_logger` failed to log #{[level, progname, message, block]}\n" +
+          "#{error.message} (#{error.class})\n#{error.backtrace.join "\n"}"
+      end
+    end
+  end
+end
+
+module Concurrent
+  extend Concern::Logging
+
+  # Create a simple logger with provided level and output.
+  def self.create_simple_logger(level = :FATAL, output = $stderr)
+    level = Concern::Logging.const_get(level) unless level.is_a?(Integer)
+
+    # TODO (pitr-ch 24-Dec-2016): figure out why it had to be replaced, stdlogger was deadlocking
+    lambda do |severity, progname, message = nil, &block|
+      return false if severity < level
+
+      message           = block ? block.call : message
+      formatted_message = case message
+                          when String
+                            message
+                          when Exception
+                            format "%s (%s)\n%s",
+                                   message.message, message.class, (message.backtrace || []).join("\n")
+                          else
+                            message.inspect
+                          end
+
+      output.print format "[%s] %5s -- %s: %s\n",
+                          Time.now.strftime('%Y-%m-%d %H:%M:%S.%L'),
+                          Concern::Logging::SEV_LABEL[severity],
+                          progname,
+                          formatted_message
+      true
+    end
+  end
+
+  # Use logger created by #create_simple_logger to log concurrent-ruby messages.
+  def self.use_simple_logger(level = :FATAL, output = $stderr)
+    Concurrent.global_logger = create_simple_logger level, output
+  end
+
+  # Create a stdlib logger with provided level and output.
+  # If you use this deprecated method you might need to add logger to your Gemfile to avoid warnings from Ruby 3.3.5+.
+  # @deprecated
+  def self.create_stdlib_logger(level = :FATAL, output = $stderr)
+    require 'logger'
+    logger           = Logger.new(output)
+    logger.level     = level
+    logger.formatter = lambda do |severity, datetime, progname, msg|
+      formatted_message = case msg
+                          when String
+                            msg
+                          when Exception
+                            format "%s (%s)\n%s",
+                                   msg.message, msg.class, (msg.backtrace || []).join("\n")
+                          else
+                            msg.inspect
+                          end
+      format "[%s] %5s -- %s: %s\n",
+             datetime.strftime('%Y-%m-%d %H:%M:%S.%L'),
+             severity,
+             progname,
+             formatted_message
+    end
+
+    lambda do |loglevel, progname, message = nil, &block|
+      logger.add loglevel, message, progname, &block
+    end
+  end
+
+  # Use logger created by #create_stdlib_logger to log concurrent-ruby messages.
+  # @deprecated
+  def self.use_stdlib_logger(level = :FATAL, output = $stderr)
+    Concurrent.global_logger = create_stdlib_logger level, output
+  end
+
+  # TODO (pitr-ch 27-Dec-2016): remove deadlocking stdlib_logger methods
+
+  # Suppresses all output when used for logging.
+  NULL_LOGGER   = lambda { |level, progname, message = nil, &block| }
+
+  # @!visibility private
+  GLOBAL_LOGGER = AtomicReference.new(create_simple_logger(:WARN))
+  private_constant :GLOBAL_LOGGER
+
+  def self.global_logger
+    GLOBAL_LOGGER.value
+  end
+
+  def self.global_logger=(value)
+    GLOBAL_LOGGER.value = value
+  end
+end