33 lines
1.2 KiB
Ruby
33 lines
1.2 KiB
Ruby
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require 'logger'
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module Concurrent
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module Concern
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# Include where logging is needed
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#
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# @!visibility private
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module Logging
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include Logger::Severity
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# Logs through {Concurrent.global_logger}, it can be overridden by setting @logger
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# @param [Integer] level one of Logger::Severity constants
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# @param [String] progname e.g. a path of an Actor
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# @param [String, nil] message when nil block is used to generate the message
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# @yieldreturn [String] a message
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def log(level, progname, message = nil, &block)
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#NOTE: Cannot require 'concurrent/configuration' above due to circular references.
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# Assume that the gem has been initialized if we've gotten this far.
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logger = if defined?(@logger) && @logger
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@logger
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else
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Concurrent.global_logger
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end
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logger.call level, progname, message, &block
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rescue => error
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$stderr.puts "`Concurrent.configuration.logger` failed to log #{[level, progname, message, block]}\n" +
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"#{error.message} (#{error.class})\n#{error.backtrace.join "\n"}"
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end
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end
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end
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end
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