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proc
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self
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root
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usr
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local
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rvm
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gems
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ruby-2.1.10@system
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gems
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puppet-3.4.3
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lib
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puppet
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agent
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files >> //proc/self/root/usr/local/rvm/gems/ruby-2.1.10@system/gems/puppet-3.4.3/lib/puppet/agent/locker.rb
require 'puppet/util/pidlock' # This module is responsible for encapsulating the logic for "locking" the # puppet agent during a catalog run; in other words, keeping track of enough # state to answer the question "is there a puppet agent currently applying a # catalog?" # # The implementation involves writing a lockfile whose contents are simply the # PID of the running agent process. This is considered part of the public # Puppet API because it used by external tools such as mcollective. # # For more information, please see docs on the website. # http://links.puppetlabs.com/agent_lockfiles module Puppet::Agent::Locker # Yield if we get a lock, else do nothing. Return # true/false depending on whether we get the lock. def lock if lockfile.lock begin yield ensure lockfile.unlock end end end def running? lockfile.locked? end def lockfile_path @lockfile_path ||= Puppet[:agent_catalog_run_lockfile] end def lockfile @lockfile ||= Puppet::Util::Pidlock.new(lockfile_path) @lockfile end private :lockfile end
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