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Contents
# Union Station - https://www.unionstationapp.com/
# Copyright (c) 2010-2015 Phusion Holding B.V.
#
# "Union Station" and "Passenger" are trademarks of Phusion Holding B.V.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
module UnionStationHooks
# A wrapper around a mutex, for use within Connection.
#
# @private
class Lock
def initialize(mutex)
@mutex = mutex
@locked = false
end
def reset(mutex, lock_now = true)
unlock if @locked
@mutex = mutex
lock if lock_now
end
def synchronize
lock if !@locked
begin
yield(self)
ensure
unlock if @locked
end
end
def lock
raise if @locked
@mutex.lock
@locked = true
end
def unlock
raise if !@locked
@mutex.unlock
@locked = false
end
end
end
Version data entries
40 entries across 40 versions & 3 rubygems