* lib/timeout.rb (Timeout::timeout): made sensitive to location on the
stack. [ruby-core:15458] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15464 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -1,3 +1,8 @@
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Thu Feb 14 01:43:16 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* lib/timeout.rb (Timeout::timeout): made sensitive to location on the
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stack. [ruby-core:15458]
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Thu Feb 14 00:49:53 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
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Thu Feb 14 00:49:53 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* common.mk (INSTRUBY_ARGS): pass mode to install. [ruby-dev:33766]
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* common.mk (INSTRUBY_ARGS): pass mode to install. [ruby-dev:33766]
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@ -24,8 +24,13 @@
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module Timeout
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module Timeout
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# Raised by Timeout#timeout when the block times out.
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# Raised by Timeout#timeout when the block times out.
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class Error < Interrupt
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class Error < RuntimeError
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end
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end
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class ExitException < ::Exception # :nodoc:
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end
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THIS_FILE = /\A#{Regexp.quote(__FILE__)}:/o
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CALLER_OFFSET = ((c = caller[0]) && THIS_FILE =~ c) ? 1 : 0
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# Executes the method's block. If the block execution terminates before
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# Executes the method's block. If the block execution terminates before
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# +sec+ seconds has passed, it returns the result value of the block.
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# +sec+ seconds has passed, it returns the result value of the block.
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@ -35,8 +40,9 @@ module Timeout
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# Note that this is both a method of module Timeout, so you can 'include Timeout'
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# Note that this is both a method of module Timeout, so you can 'include Timeout'
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# into your classes so they have a #timeout method, as well as a module method,
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# into your classes so they have a #timeout method, as well as a module method,
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# so you can call it directly as Timeout.timeout().
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# so you can call it directly as Timeout.timeout().
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def timeout(sec, exception = Error) #:yield: +sec+
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def timeout(sec, klass = nil) #:yield: +sec+
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return yield(sec) if sec == nil or sec.zero?
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return yield(sec) if sec == nil or sec.zero?
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exception = klass || Class.new(ExitException)
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begin
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begin
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x = Thread.current
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x = Thread.current
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y = Thread.start {
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y = Thread.start {
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@ -44,6 +50,17 @@ module Timeout
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x.raise exception, "execution expired" if x.alive?
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x.raise exception, "execution expired" if x.alive?
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}
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}
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return yield(sec)
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return yield(sec)
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rescue exception => e
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rej = /\A#{Regexp.quote(__FILE__)}:#{__LINE__-4}\z/o
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(bt = e.backtrace).reject! {|m| rej =~ m}
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level = -caller(CALLER_OFFSET).size
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while THIS_FILE =~ bt[level]
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bt.delete_at(level)
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level += 1
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end
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raise if klass # if exception class is specified, it
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# would be expected outside.
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raise Error, e.message, e.backtrace
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ensure
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ensure
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if y and y.alive?
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if y and y.alive?
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y.kill
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y.kill
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@ -61,7 +78,7 @@ end
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#
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#
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# Defined for backwards compatibility with earlier versions of timeout.rb, see
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# Defined for backwards compatibility with earlier versions of timeout.rb, see
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# Timeout#timeout.
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# Timeout#timeout.
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def timeout(n, e = Timeout::Error, &block)
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def timeout(n, e = nil, &block)
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Timeout::timeout(n, e, &block)
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Timeout::timeout(n, e, &block)
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end
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end
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