76 lines
1.8 KiB
Ruby
76 lines
1.8 KiB
Ruby
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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require 'thread'
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require 'monitor'
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# Monkeypatch
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class MonitorMixin::ConditionVariable
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# Wait until BLOCK returns TRUE or TIMEOUT seconds have passed
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# Return TRUE if BLOCK returned TRUE within the TIMEOUT, FALSE
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# otherswise
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def wait_for(timeout=nil, &block)
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start = Time.now
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passed = 0
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until yield
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if timeout.nil?
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wait
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elsif passed < timeout
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wait(timeout)
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else
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return false
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end
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passed = Time.now - start
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end
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return true
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end
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end
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module Qpid::Util
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# Similar to Python's threading.Event
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class Event
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def initialize
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@monitor = Monitor.new
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@cond = @monitor.new_cond
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@set = false
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end
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def set
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@monitor.synchronize do
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@set = true
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@cond.signal
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end
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end
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def clear
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@monitor.synchronize { @set = false }
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end
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def wait(timeout = nil)
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@monitor.synchronize do
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unless @set
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@cond.wait_for(timeout) { @set }
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end
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end
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end
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end
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end
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