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* lib/shell.rb, lib/shell: support for ruby 1.9(YARV) thread model.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12110 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
keiju
parent
d9d838a45b
commit
42a81120e5
8 changed files with 271 additions and 142 deletions
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@ -1,3 +1,7 @@
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Tue Mar 20 21:36:47 2007 Keiju Ishitsuka <keiju@ruby-lang.org>
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* lib/shell.rb, lib/shell: support for ruby 1.9(YARV) thread model.
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Tue Mar 20 16:36:08 2007 URABE Shyouhei <shyouhei@ruby-lang.org>
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* distruby.rb: Add zip generation.
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115
lib/shell.rb
115
lib/shell.rb
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@ -1,9 +1,9 @@
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#
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# shell.rb -
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# $Release Version: 0.6.0 $
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# $Revision: 1.8 $
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# $Date: 2001/03/19 09:01:11 $
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# by Keiju ISHITSUKA(Nippon Rational Inc.)
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# $Release Version: 0.7 $
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# $Revision: 1.9 $
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# $Date: 2002/03/04 12:01:10 $
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# by Keiju ISHITSUKA(keiju@ruby-lang.org)
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#
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# --
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#
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@ -11,14 +11,17 @@
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#
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require "e2mmap"
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require "thread"
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require "thread" unless defined?(Mutex)
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require "forwardable"
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require "shell/error"
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require "shell/command-processor"
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require "shell/process-controller"
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class Shell
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@RCS_ID='-$Id: shell.rb,v 1.8 2001/03/19 09:01:11 keiju Exp keiju $-'
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@RCS_ID='-$Id: shell.rb,v 1.9 2002/03/04 12:01:10 keiju Exp keiju $-'
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include Error
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extend Exception2MessageMapper
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@ -30,7 +33,13 @@ class Shell
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@debug = false
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@verbose = true
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@debug_display_process_id = false
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@debug_display_thread_id = true
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@debug_output_mutex = Mutex.new
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class << Shell
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extend Forwardable
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attr_accessor :cascade, :debug, :verbose
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# alias cascade? cascade
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@ -44,9 +53,7 @@ class Shell
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end
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def cd(path)
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sh = new
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sh.cd path
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sh
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new(path)
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end
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def default_system_path
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@ -72,12 +79,19 @@ class Shell
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def default_record_separator=(rs)
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@default_record_separator = rs
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end
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# os resource mutecs
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mutex_methods = ["unlock", "lock", "locked?", "synchronize", "try_lock", "exclusive_unlock"]
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for m in mutex_methods
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def_delegator("@debug_output_mutex", m, "debug_output_"+m.to_s)
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end
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end
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def initialize
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@cwd = Dir.pwd
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def initialize(pwd = Dir.pwd, umask = nil)
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@cwd = File.expand_path(pwd)
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@dir_stack = []
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@umask = nil
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@umask = umask
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@system_path = Shell.default_system_path
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@record_separator = Shell.default_record_separator
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@ -126,49 +140,58 @@ class Shell
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# Shell#mkdir
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# Shell#rmdir
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attr :cwd
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attr_reader :cwd
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alias dir cwd
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alias getwd cwd
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alias pwd cwd
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attr :dir_stack
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attr_reader :dir_stack
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alias dirs dir_stack
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# If called as iterator, it restores the current directory when the
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# block ends.
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def chdir(path = nil)
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def chdir(path = nil, verbose = @verbose)
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check_point
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if iterator?
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notify("chdir(with block) #{path}") if verbose
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cwd_old = @cwd
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begin
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chdir(path)
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chdir(path, nil)
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yield
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ensure
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chdir(cwd_old)
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chdir(cwd_old, nil)
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end
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else
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notify("chdir #{path}") if verbose
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path = "~" unless path
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@cwd = expand_path(path)
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notify "current dir: #{@cwd}"
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rehash
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self
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Void.new(self)
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end
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end
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alias cd chdir
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def pushdir(path = nil)
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def pushdir(path = nil, verbose = @verbose)
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check_point
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if iterator?
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pushdir(path)
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notify("pushdir(with block) #{path}") if verbose
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pushdir(path, nil)
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begin
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yield
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ensure
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popdir
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end
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elsif path
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notify("pushdir #{path}") if verbose
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@dir_stack.push @cwd
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chdir path
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chdir(path, nil)
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notify "dir stack: [#{@dir_stack.join ', '}]"
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self
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else
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notify("pushdir") if verbose
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if pop = @dir_stack.pop
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@dir_stack.push @cwd
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chdir pop
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@ -178,10 +201,14 @@ class Shell
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Shell.Fail DirStackEmpty
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end
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end
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Void.new(self)
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end
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alias pushd pushdir
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def popdir
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check_point
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notify("popdir")
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if pop = @dir_stack.pop
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chdir pop
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notify "dir stack: [#{@dir_stack.join ', '}]"
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@ -189,10 +216,10 @@ class Shell
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else
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Shell.Fail DirStackEmpty
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end
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Void.new(self)
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end
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alias popd popdir
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#
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# process management
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#
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@ -237,25 +264,35 @@ class Shell
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end
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def self.notify(*opts, &block)
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Thread.exclusive do
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if opts[-1].kind_of?(String)
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yorn = verbose?
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else
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yorn = opts.pop
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end
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return unless yorn
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_head = true
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print opts.collect{|mes|
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mes = mes.dup
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yield mes if iterator?
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if _head
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_head = false
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"shell: " + mes
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Shell::debug_output_synchronize do
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if opts[-1].kind_of?(String)
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yorn = verbose?
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else
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" " + mes
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yorn = opts.pop
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end
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}.join("\n")+"\n"
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return unless yorn
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if @debug_display_thread_id
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if @debug_display_process_id
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prefix = "shell(##{Process.pid}:#{Thread.current.to_s.sub("Thread", "Th")}): "
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else
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prefix = "shell(#{Thread.current.to_s.sub("Thread", "Th")}): "
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end
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else
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prefix = "shell: "
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end
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_head = true
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STDERR.print opts.collect{|mes|
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mes = mes.dup
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yield mes if iterator?
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if _head
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_head = false
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# "shell" " + mes
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prefix + mes
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else
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" "* prefix.size + mes
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end
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}.join("\n")+"\n"
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end
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end
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@ -1,9 +1,9 @@
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#
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# shell/builtin-command.rb -
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# $Release Version: 0.6.0 $
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# $Release Version: 0.7 $
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# $Revision$
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# $Date$
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# by Keiju ISHITSUKA(Nihon Rational Software Co.,Ltd)
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# by Keiju ISHITSUKA(keiju@ruby-lang.org)
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#
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# --
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#
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@ -22,6 +22,16 @@ class Shell
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end
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end
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class Void < BuiltInCommand
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def initialize(sh, *opts)
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super sh
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end
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def each(rs = nil)
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# do nothing
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end
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end
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class Echo < BuiltInCommand
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def initialize(sh, *strings)
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super sh
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@ -58,20 +68,17 @@ class Shell
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super sh
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@pattern = pattern
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Thread.critical = true
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back = Dir.pwd
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begin
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Dir.chdir @shell.cwd
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@files = Dir[pattern]
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ensure
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Dir.chdir back
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Thread.critical = false
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end
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end
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def each(rs = nil)
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if @pattern[0] == ?/
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@files = Dir[@pattern]
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else
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prefix = @shell.pwd+"/"
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@files = Dir[prefix+@pattern].collect{|p| p.sub(prefix, "")}
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end
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rs = @shell.record_separator unless rs
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for f in @files
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for f in @files
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yield f+rs
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end
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end
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@ -1,9 +1,9 @@
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#
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# shell/command-controller.rb -
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# $Release Version: 0.6.0 $
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# $Release Version: 0.7 $
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# $Revision$
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# $Date$
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# by Keiju ISHITSUKA(Nippon Rational Inc.)
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# by Keiju ISHITSUKA(keiju@ruby-lang.org)
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#
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# --
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#
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@ -26,7 +26,13 @@ class Shell
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#
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# initialize of Shell and related classes.
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#
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NoDelegateMethods = ["initialize", "expand_path"]
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m = [:initialize, :expand_path]
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if Object.methods.first.kind_of?(String)
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NoDelegateMethods = m.collect{|m| m.id2name}
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else
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NoDelegateMethods = m
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end
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def self.initialize
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install_builtin_commands
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@ -111,13 +117,20 @@ class Shell
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# Dir#open (when path is directory)
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# mode has an effect only when path is a file
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#
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def open(path, mode)
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def open(path, mode = nil, perm = 0666, &b)
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path = expand_path(path)
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if File.directory?(path)
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Dir.open(path)
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Dir.open(path, &b)
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else
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effect_umask do
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File.open(path, mode)
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if @shell.umask
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f = File.open(path, mode, perm)
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File.chmod(perm & ~@shell.umask, path)
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if block_given?
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f.each &b
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end
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f
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else
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f = File.open(path, mode, perm, &b)
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end
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end
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end
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@ -130,12 +143,15 @@ class Shell
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# File#unlink (when path is file)
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#
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def unlink(path)
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@shell.check_point
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path = expand_path(path)
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if File.directory?(path)
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Dir.unlink(path)
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else
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IO.unlink(path)
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end
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Void.new(@shell)
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end
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#
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@ -155,6 +171,7 @@ class Shell
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# sh[:exists?, "foo"]
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# sh["exists?", "foo"]
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#
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alias top_level_test test
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def test(command, file1, file2=nil)
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file1 = expand_path(file1)
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file2 = expand_path(file2) if file2
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@ -162,7 +179,11 @@ class Shell
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case command
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when Integer
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top_level_test(command, file1, file2)
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if file2
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top_level_test(command, file1, file2)
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else
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top_level_test(command, file1)
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end
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when String
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if command.size == 1
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if file2
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@ -194,9 +215,23 @@ class Shell
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# same as Dir.mkdir()
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#
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def mkdir(*path)
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for dir in path
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Dir.mkdir(expand_path(dir))
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@shell.check_point
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notify("mkdir #{path.join(' ')}")
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perm = nil
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if path.last.kind_of?(Integer)
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perm = path.pop
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end
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for dir in path
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d = expand_path(dir)
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if perm
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Dir.mkdir(d, perm)
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else
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Dir.mkdir(d)
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end
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File.chmod(d, 0666 & ~@shell.umask) if @shell.umask
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end
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Void.new(@shell)
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end
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#
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@ -205,9 +240,13 @@ class Shell
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# same as Dir.rmdir()
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#
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def rmdir(*path)
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@shell.check_point
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notify("rmdir #{path.join(' ')}")
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for dir in path
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Dir.rmdir(expand_path(dir))
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end
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Void.new(@shell)
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end
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#
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@ -299,35 +338,17 @@ class Shell
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# %pwd, %cwd -> @pwd
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def notify(*opts, &block)
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Thread.exclusive do
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Shell.notify(*opts) {|mes|
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yield mes if iterator?
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Shell.notify(*opts) {|mes|
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yield mes if iterator?
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mes.gsub!("%pwd", "#{@cwd}")
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mes.gsub!("%cwd", "#{@cwd}")
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}
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end
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mes.gsub!("%pwd", "#{@cwd}")
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mes.gsub!("%cwd", "#{@cwd}")
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}
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end
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#
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# private functions
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#
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def effect_umask
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if @shell.umask
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Thread.critical = true
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save = File.umask
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begin
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yield
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ensure
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File.umask save
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Thread.critical = false
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end
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else
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yield
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end
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end
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private :effect_umask
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def find_system_command(command)
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return command if /^\// =~ command
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case path = @system_commands[command]
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|
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@ -343,7 +364,7 @@ class Shell
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for p in @shell.system_path
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path = join(p, command)
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if FileTest.exists?(path)
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if FileTest.exist?(path)
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@system_commands[command] = path
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return path
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end
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|
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|
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|
|
@ -1,9 +1,9 @@
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#
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# shell/error.rb -
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# $Release Version: 0.6.0 $
|
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# $Release Version: 0.7 $
|
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# $Revision$
|
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# $Date$
|
||||
# by Keiju ISHITSUKA(Nihon Rational Software Co.,Ltd)
|
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# by Keiju ISHITSUKA(keiju@ruby-lang.org)
|
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#
|
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# --
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#
|
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|
|
|
|||
|
|
@ -1,33 +1,38 @@
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#
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# shell/process-controller.rb -
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# $Release Version: 0.6.0 $
|
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# $Release Version: 0.7 $
|
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# $Revision$
|
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# $Date$
|
||||
# by Keiju ISHITSUKA(Nihon Rational Software Co.,Ltd)
|
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# by Keiju ISHITSUKA(keiju@ruby-lang.org)
|
||||
#
|
||||
# --
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||||
#
|
||||
#
|
||||
#
|
||||
require "forwardable"
|
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|
||||
require "mutex_m"
|
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require "monitor"
|
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require "thread"
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require "sync"
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|
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class Shell
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class ProcessController
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|
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@ProcessControllers = {}
|
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@ProcessControllers.extend Mutex_m
|
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@ProcessControllersMonitor = Mutex.new
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@ProcessControllersCV = ConditionVariable.new
|
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|
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@BlockOutputMonitor = Mutex.new
|
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@BlockOutputCV = ConditionVariable.new
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|
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class<<self
|
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extend Forwardable
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||||
|
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def process_controllers_exclusive
|
||||
begin
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@ProcessControllers.lock unless Thread.critical
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||||
yield
|
||||
ensure
|
||||
@ProcessControllers.unlock unless Thread.critical
|
||||
def_delegator("@ProcessControllersMonitor",
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||||
"synchronize", "process_controllers_exclusive")
|
||||
|
||||
def active_process_controllers
|
||||
process_controllers_exclusive do
|
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@ProcessControllers.dup
|
||||
end
|
||||
end
|
||||
|
||||
|
|
@ -43,6 +48,7 @@ class Shell
|
|||
if @ProcessControllers[pc]
|
||||
if (@ProcessControllers[pc] -= 1) == 0
|
||||
@ProcessControllers.delete(pc)
|
||||
@ProcessControllersCV.signal
|
||||
end
|
||||
end
|
||||
end
|
||||
|
|
@ -55,6 +61,34 @@ class Shell
|
|||
end
|
||||
end
|
||||
end
|
||||
|
||||
def block_output_synchronize(&b)
|
||||
@BlockOutputMonitor.synchronize &b
|
||||
end
|
||||
|
||||
def wait_to_finish_all_process_controllers
|
||||
process_controllers_exclusive do
|
||||
while !@ProcessControllers.empty?
|
||||
Shell::notify("Process finishing, but active shell exists",
|
||||
"You can use Shell#transact or Shell#check_point for more safe execution.")
|
||||
if Shell.debug?
|
||||
for pc in @ProcessControllers.keys
|
||||
Shell::notify(" Not finished jobs in "+pc.shell.to_s)
|
||||
for com in pc.jobs
|
||||
com.notify(" Jobs: %id")
|
||||
end
|
||||
end
|
||||
end
|
||||
@ProcessControllersCV.wait(@ProcessControllersMonitor)
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
# for shell-command complete finish at this prosess exit.
|
||||
USING_AT_EXIT_WHEN_PROCESS_EXIT = true
|
||||
at_exit do
|
||||
wait_to_finish_all_process_controllers unless $@
|
||||
end
|
||||
|
||||
def initialize(shell)
|
||||
|
|
@ -67,6 +101,8 @@ class Shell
|
|||
@job_condition = ConditionVariable.new
|
||||
end
|
||||
|
||||
attr_reader :shell
|
||||
|
||||
def jobs
|
||||
jobs = []
|
||||
@jobs_sync.synchronize(:SH) do
|
||||
|
|
@ -122,15 +158,19 @@ class Shell
|
|||
@waiting_jobs.delete command
|
||||
else
|
||||
command = @waiting_jobs.shift
|
||||
# command.notify "job(%id) pre-start.", @shell.debug?
|
||||
|
||||
return unless command
|
||||
end
|
||||
@active_jobs.push command
|
||||
command.start
|
||||
# command.notify "job(%id) post-start.", @shell.debug?
|
||||
|
||||
# start all jobs that input from the job
|
||||
for job in @waiting_jobs
|
||||
for job in @waiting_jobs.dup
|
||||
start_job(job) if job.input == command
|
||||
end
|
||||
# command.notify "job(%id) post2-start.", @shell.debug?
|
||||
end
|
||||
end
|
||||
|
||||
|
|
@ -152,6 +192,7 @@ class Shell
|
|||
@active_jobs.delete command
|
||||
ProcessController.inactivate(self)
|
||||
if @active_jobs.empty?
|
||||
command.notify("start_jon in ierminate_jon(%id)", Shell::debug?)
|
||||
start_job
|
||||
end
|
||||
end
|
||||
|
|
@ -159,7 +200,7 @@ class Shell
|
|||
|
||||
# kill a job
|
||||
def kill_job(sig, command)
|
||||
@jobs_sync.synchronize(:SH) do
|
||||
@jobs_sync.synchronize(:EX) do
|
||||
if @waiting_jobs.delete command
|
||||
ProcessController.inactivate(self)
|
||||
return
|
||||
|
|
@ -183,6 +224,9 @@ class Shell
|
|||
begin
|
||||
while !jobs.empty?
|
||||
@job_condition.wait(@job_monitor)
|
||||
for job in jobs
|
||||
job.notify("waiting job(%id)", Shell::debug?)
|
||||
end
|
||||
end
|
||||
ensure
|
||||
redo unless jobs.empty?
|
||||
|
|
@ -194,66 +238,82 @@ class Shell
|
|||
def sfork(command, &block)
|
||||
pipe_me_in, pipe_peer_out = IO.pipe
|
||||
pipe_peer_in, pipe_me_out = IO.pipe
|
||||
Thread.critical = true
|
||||
|
||||
STDOUT.flush
|
||||
ProcessController.each_active_object do |pc|
|
||||
for jobs in pc.active_jobs
|
||||
jobs.flush
|
||||
end
|
||||
end
|
||||
|
||||
pid = fork {
|
||||
Thread.critical = true
|
||||
|
||||
Thread.list.each do |th|
|
||||
th.kill unless [Thread.main, Thread.current].include?(th)
|
||||
end
|
||||
pid = nil
|
||||
pid_mutex = Mutex.new
|
||||
pid_cv = ConditionVariable.new
|
||||
|
||||
STDIN.reopen(pipe_peer_in)
|
||||
STDOUT.reopen(pipe_peer_out)
|
||||
|
||||
ObjectSpace.each_object(IO) do |io|
|
||||
if ![STDIN, STDOUT, STDERR].include?(io)
|
||||
io.close unless io.closed?
|
||||
Thread.start do
|
||||
ProcessController.block_output_synchronize do
|
||||
STDOUT.flush
|
||||
ProcessController.each_active_object do |pc|
|
||||
for jobs in pc.active_jobs
|
||||
jobs.flush
|
||||
end
|
||||
end
|
||||
|
||||
pid = fork {
|
||||
Thread.list.each do |th|
|
||||
# th.kill unless [Thread.main, Thread.current].include?(th)
|
||||
th.kill unless Thread.current == th
|
||||
end
|
||||
|
||||
STDIN.reopen(pipe_peer_in)
|
||||
STDOUT.reopen(pipe_peer_out)
|
||||
|
||||
ObjectSpace.each_object(IO) do |io|
|
||||
if ![STDIN, STDOUT, STDERR].include?(io)
|
||||
io.close unless io.closed?
|
||||
end
|
||||
end
|
||||
|
||||
yield
|
||||
}
|
||||
end
|
||||
yield
|
||||
}
|
||||
pid_cv.signal
|
||||
|
||||
pipe_peer_in.close
|
||||
pipe_peer_out.close
|
||||
command.notify "job(%name:##{pid}) start", @shell.debug?
|
||||
Thread.critical = false
|
||||
pipe_peer_in.close
|
||||
pipe_peer_out.close
|
||||
command.notify "job(%name:##{pid}) start", @shell.debug?
|
||||
|
||||
th = Thread.start {
|
||||
Thread.critical = true
|
||||
begin
|
||||
_pid = nil
|
||||
command.notify("job(%id) start to waiting finish.", @shell.debug?)
|
||||
Thread.critical = false
|
||||
_pid = Process.waitpid(pid, nil)
|
||||
rescue Errno::ECHILD
|
||||
command.notify "warn: job(%id) was done already waitipd."
|
||||
_pid = true
|
||||
# rescue
|
||||
# STDERR.puts $!
|
||||
ensure
|
||||
command.notify("Job(%id): Wait to finish when Process finished.", @shell.debug?)
|
||||
# when the process ends, wait until the command termintes
|
||||
if _pid
|
||||
if USING_AT_EXIT_WHEN_PROCESS_EXIT or _pid
|
||||
else
|
||||
command.notify("notice: Process finishing...",
|
||||
"wait for Job[%id] to finish.",
|
||||
"You can use Shell#transact or Shell#check_point for more safe execution.")
|
||||
redo
|
||||
end
|
||||
Thread.exclusive do
|
||||
@job_monitor.synchronize do
|
||||
terminate_job(command)
|
||||
@job_condition.signal
|
||||
command.notify "job(%id) finish.", @shell.debug?
|
||||
end
|
||||
|
||||
# command.notify "job(%id) pre-pre-finish.", @shell.debug?
|
||||
@job_monitor.synchronize do
|
||||
# command.notify "job(%id) pre-finish.", @shell.debug?
|
||||
terminate_job(command)
|
||||
# command.notify "job(%id) pre-finish2.", @shell.debug?
|
||||
@job_condition.signal
|
||||
command.notify "job(%id) finish.", @shell.debug?
|
||||
end
|
||||
end
|
||||
}
|
||||
end
|
||||
|
||||
pid_mutex.synchronize do
|
||||
while !pid
|
||||
pid_cv.wait(pid_mutex)
|
||||
end
|
||||
end
|
||||
|
||||
return pid, pipe_me_in, pipe_me_out
|
||||
end
|
||||
end
|
||||
|
|
|
|||
|
|
@ -1,9 +1,9 @@
|
|||
#
|
||||
# shell/system-command.rb -
|
||||
# $Release Version: 0.6.0 $
|
||||
# $Release Version: 0.7 $
|
||||
# $Revision$
|
||||
# $Date$
|
||||
# by Keiju ISHITSUKA(Nihon Rational Software Co.,Ltd)
|
||||
# by Keiju ISHITSUKA(keiju@ruby-lang.org)
|
||||
#
|
||||
# --
|
||||
#
|
||||
|
|
|
|||
|
|
@ -1,9 +1,9 @@
|
|||
#
|
||||
# version.rb - shell version definition file
|
||||
# $Release Version: 0.6.0$
|
||||
# $Release Version: 0.7$
|
||||
# $Revision$
|
||||
# $Date$
|
||||
# by Keiju ISHITSUKA(Nihon Rational Software Co.,Ltd)
|
||||
# by Keiju ISHITSUKA(keiju@ruby-lang.org)
|
||||
#
|
||||
# --
|
||||
#
|
||||
|
|
@ -11,6 +11,6 @@
|
|||
#
|
||||
|
||||
class Shell
|
||||
@RELEASE_VERSION = "0.6.0"
|
||||
@LAST_UPDATE_DATE = "01/03/19"
|
||||
@RELEASE_VERSION = "0.7"
|
||||
@LAST_UPDATE_DATE = "07/03/20"
|
||||
end
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue