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* lib/sync.rb (Sync_m#sync_lock): Fixed wakeup/raise unsafe code.

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Patched by Masaki Matsushita. [Bug #5355] [ruby-dev:44521]

* test/thread/test_sync.rb (test_sync_lock_and_wakeup,
  test_sync_upgrade_and_wakeup, test_sync_lock_and_raise):
  new test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36936 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kosaki 2012-09-09 11:34:47 +00:00
parent 5dbbee86b6
commit 2248a8ce64
3 changed files with 80 additions and 8 deletions
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57
test/thread/test_sync.rb Normal file
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require 'test/unit'
require 'sync'
require 'timeout'
class SyncTest < Test::Unit::TestCase
class Tester
include Sync_m
end
def test_sync_lock_and_wakeup
tester = Tester.new
tester.sync_lock(:EX)
t = Thread.new { tester.sync_lock(:EX) }
sleep 0.1 until t.stop?
t.wakeup
sleep 0.1 until t.stop?
assert_equal(tester.sync_waiting.uniq, tester.sync_waiting)
end
def test_sync_upgrade_and_wakeup
tester = Tester.new
tester.sync_lock(:SH)
t = Thread.new do
tester.sync_lock(:SH)
tester.sync_lock(:EX)
end
sleep 0.1 until t.stop?
t.wakeup
sleep 0.1 until t.stop?
tester.sync_upgrade_waiting.each { |ary|
assert(!tester.sync_waiting.include?(ary[0]))
}
assert_equal(tester.sync_waiting.uniq, tester.sync_waiting)
assert_equal(tester.sync_waiting, [])
end
def test_sync_lock_and_raise
tester= Tester.new
tester.sync_lock(:EX)
t = Thread.new { tester.sync_lock(:EX) }
sleep 0.1 until t.stop?
t.raise
sleep 0.1 while t.alive?
assert_equal(tester.sync_waiting.uniq, tester.sync_waiting)
assert_equal(tester.sync_waiting, [])
end
end