# File lib/puppet/util/pidlock.rb, line 6
6:         def initialize(lockfile)
7:                 @lockfile = lockfile
8:         end

    # File lib/puppet/util/pidlock.rb, line 19
19:         def anonymous?
20:                 return false unless File.exists?(@lockfile)
21:                 File.read(@lockfile) == ""
22:         end

    # File lib/puppet/util/pidlock.rb, line 24
24:         def lock(opts = {})
25:                 opts = {:anonymous => false}.merge(opts)
26: 
27:                 if locked?
28:                         mine?
29:                 else
30:                         if opts[:anonymous]
31:                                 File.open(@lockfile, 'w') { |fd| true }
32:                         else
33:                                 File.open(@lockfile, "w") { |fd| fd.write(Process.pid) }
34:                         end
35:                         true
36:                 end
37:         end

    # File lib/puppet/util/pidlock.rb, line 10
10:         def locked?
11:                 clear_if_stale
12:                 File.exists? @lockfile
13:         end

    # File lib/puppet/util/pidlock.rb, line 15
15:         def mine?
16:                 Process.pid == lock_pid
17:         end

    # File lib/puppet/util/pidlock.rb, line 39
39:         def unlock(opts = {})
40:                 opts = {:anonymous => false}.merge(opts)
41: 
42:                 if mine? or (opts[:anonymous] and anonymous?)
43:                         File.unlink(@lockfile)
44:                         true
45:                 else
46:                         false
47:                 end
48:         end