module Concurrent::Concern::Logging
Include where logging is needed
@!visibility private
Public Instance Methods
log(level, progname, message = nil, &block)
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Logs through {Concurrent.global_logger}, it can be overridden by setting @logger @param [Integer] level one of Logger::Severity 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
# File lib/concurrent-ruby/concurrent/concern/logging.rb, line 17 def log(level, progname, message = nil, &block) #NOTE: Cannot require 'concurrent/configuration' above due to circular references. # Assume that the gem has been initialized if we've gotten this far. logger = if defined?(@logger) && @logger @logger else Concurrent.global_logger end logger.call level, progname, message, &block rescue => error $stderr.puts "`Concurrent.configuration.logger` failed to log #{[level, progname, message, block]}\n" + "#{error.message} (#{error.class})\n#{error.backtrace.join "\n"}" end