Sha256: 3d80ad76d8707d303853a54942a05100f028097662ddfca0935e400991f36e61
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Versions: 9
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Stored size: 1.48 KB
Contents
# frozen_string_literal: true
# rubocop:todo all
# Copyright (C) 2020 MongoDB Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
module Mongo
# This is an implementation of a condition variable.
#
# @api private
class ConditionVariable
extend Forwardable
def initialize(lock = Mutex.new)
@lock = lock
@cv = ::ConditionVariable.new
end
# Waits for the condition variable to be signaled up to timeout seconds.
# If condition variable is not signaled, returns after timeout seconds.
def wait(timeout = nil)
raise_unless_locked!
return false if timeout && timeout < 0
@cv.wait(@lock, timeout)
end
def broadcast
raise_unless_locked!
@cv.broadcast
end
def signal
raise_unless_locked!
@cv.signal
end
def_delegators :@lock, :synchronize
private
def raise_unless_locked!
unless @lock.owned?
raise ArgumentError, "the lock must be owned when calling this method"
end
end
end
end
Version data entries
9 entries across 9 versions & 2 rubygems