blob: 21d828523ed3922e30e1be2f8bfd5426703874d5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
#
# mutex_m.rb -
# $Release Version: 3.0$
# $Revision: 1.7 $
# Original from mutex.rb
# by Keiju ISHITSUKA(keiju@ishitsuka.com)
# modified by matz
# patched by akira yamada
#
# --
# Usage:
# require "mutex_m.rb"
# obj = Object.new
# obj.extend Mutex_m
# ...
# extended object can be handled like Mutex
# or
# class Foo
# include Mutex_m
# ...
# end
# obj = Foo.new
# this obj can be handled like Mutex
#
require 'thread'
module Mutex_m
def Mutex_m.define_aliases(cl)
cl.module_eval %q{
alias locked? mu_locked?
alias lock mu_lock
alias unlock mu_unlock
alias try_lock mu_try_lock
alias synchronize mu_synchronize
}
end
def Mutex_m.append_features(cl)
super
define_aliases(cl) unless cl.instance_of?(Module)
end
def Mutex_m.extend_object(obj)
super
obj.mu_extended
end
def mu_extended
unless (defined? locked? and
defined? lock and
defined? unlock and
defined? try_lock and
defined? synchronize)
Mutex_m.define_aliases(class<<self;self;end)
end
mu_initialize
end
# locking
def mu_synchronize(&block)
@_mutex.synchronize(&block)
end
def mu_locked?
@_mutex.locked?
end
def mu_try_lock
@_mutex.try_lock
end
def mu_lock
@_mutex.lock
end
def mu_unlock
@_mutex.unlock
end
private
def mu_initialize
@_mutex = Mutex.new
end
def initialize(*args)
mu_initialize
super
end
end
|
