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-rw-r--r--test/ruby/test_thread.rb152
1 files changed, 146 insertions, 6 deletions
diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index a018f3cdac..2a61fc3450 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -35,6 +35,7 @@ class TestThread < Test::Unit::TestCase
th = Module.new {break module_eval("class C\u{30b9 30ec 30c3 30c9} < Thread; self; end")}.start do
m.synchronize {}
end
+ Thread.pass until th.stop?
s = th.inspect
assert_include(s, "::C\u{30b9 30ec 30c3 30c9}:")
assert_include(s, " #{__FILE__}:#{line} ")
@@ -242,6 +243,10 @@ class TestThread < Test::Unit::TestCase
def test_join_argument_conversion
t = Thread.new {}
+
+ # Make sure that the thread terminates
+ Thread.pass while t.status
+
assert_raise(TypeError) {t.join(:foo)}
limit = Struct.new(:to_f, :count).new(0.05)
@@ -322,7 +327,6 @@ class TestThread < Test::Unit::TestCase
s += 1
end
Thread.pass until t.stop?
- sleep 1 if defined?(RubyVM::MJIT) && RubyVM::MJIT.enabled? # t.stop? behaves unexpectedly with --jit-wait
assert_equal(1, s)
t.wakeup
Thread.pass while t.alive?
@@ -394,7 +398,7 @@ class TestThread < Test::Unit::TestCase
end
INPUT
- assert_in_out_err(%w(--disable-gems -d), <<-INPUT, %w(false 2), %r".+")
+ assert_in_out_err(%w(-d), <<-INPUT, %w(false 2), %r".+")
p Thread.abort_on_exception
begin
t = Thread.new { raise }
@@ -971,6 +975,8 @@ _eom
end
def test_thread_timer_and_interrupt
+ omit "[Bug #18613]" if /freebsd/ =~ RUBY_PLATFORM
+
bug5757 = '[ruby-dev:44985]'
pid = nil
cmd = 'Signal.trap(:INT, "DEFAULT"); pipe=IO.pipe; Thread.start {Thread.pass until Thread.main.stop?; puts; STDOUT.flush}; pipe[0].read'
@@ -1260,6 +1266,7 @@ q.pop
assert_predicate(status, :success?, bug18902)
ensure
th.kill
+ th.join
end
end if Process.respond_to?(:fork)
@@ -1430,7 +1437,8 @@ q.pop
Thread.pass until th1.stop?
# After a thread starts (and execute `sleep`), it returns native_thread_id
- assert_instance_of Integer, th1.native_thread_id
+ native_tid = th1.native_thread_id
+ assert_instance_of Integer, native_tid if native_tid # it can be nil
th1.wakeup
Thread.pass while th1.alive?
@@ -1439,11 +1447,42 @@ q.pop
assert_nil th1.native_thread_id
end
+ def test_thread_native_thread_id_across_fork_on_linux
+ begin
+ require '-test-/thread/id'
+ rescue LoadError
+ omit "this test is only for Linux"
+ else
+ extend Bug::ThreadID
+ end
+
+ parent_thread_id = Thread.main.native_thread_id
+ real_parent_thread_id = gettid
+
+ assert_equal real_parent_thread_id, parent_thread_id
+
+ child_lines = nil
+ IO.popen('-') do |pipe|
+ if pipe
+ # parent
+ child_lines = pipe.read.lines
+ else
+ # child
+ puts Thread.main.native_thread_id
+ puts gettid
+ end
+ end
+ child_thread_id = child_lines[0].chomp.to_i
+ real_child_thread_id = child_lines[1].chomp.to_i
+
+ assert_equal real_child_thread_id, child_thread_id
+ refute_equal parent_thread_id, child_thread_id
+ end
+
def test_thread_interrupt_for_killed_thread
- opts = { timeout: 5, timeout_error: nil }
+ pend "hang-up" if /mswin|mingw/ =~ RUBY_PLATFORM
- # prevent SIGABRT from slow shutdown with MJIT
- opts[:reprieve] = 3 if defined?(RubyVM::MJIT) && RubyVM::MJIT.enabled?
+ opts = { timeout: 5, timeout_error: nil }
assert_normal_exit(<<-_end, '[Bug #8996]', **opts)
Thread.report_on_exception = false
@@ -1512,4 +1551,105 @@ q.pop
end
};
end
+
+ def test_pending_interrupt?
+ t = Thread.handle_interrupt(Exception => :never) { Thread.new { Thread.stop } }
+ t.raise(StandardError)
+ assert_equal(true, t.pending_interrupt?)
+ assert_equal(true, t.pending_interrupt?(Exception))
+ assert_equal(false, t.pending_interrupt?(ArgumentError))
+ end
+
+ def test_deadlock_backtrace
+ bug21127 = '[ruby-core:120930] [Bug #21127]'
+
+ expected_stderr = [
+ /-:12:in 'Thread#join': No live threads left. Deadlock\? \(fatal\)\n/,
+ /2 threads, 2 sleeps current:\w+ main thread:\w+\n/,
+ /\* #<Thread:\w+ sleep_forever>\n/,
+ :*,
+ /^\s*-:6:in 'Object#frame_for_deadlock_test_2'/,
+ :*,
+ /\* #<Thread:\w+ -:10 sleep_forever>\n/,
+ :*,
+ /^\s*-:2:in 'Object#frame_for_deadlock_test_1'/,
+ :*,
+ ]
+
+ assert_in_out_err([], <<-INPUT, [], expected_stderr, bug21127)
+ def frame_for_deadlock_test_1
+ yield
+ end
+
+ def frame_for_deadlock_test_2
+ yield
+ end
+
+ q = Thread::Queue.new
+ t = Thread.new { frame_for_deadlock_test_1 { q.pop } }
+
+ frame_for_deadlock_test_2 { t.join }
+ INPUT
+ end
+
+ # [Bug #21342]
+ def test_unlock_locked_mutex_with_collected_fiber
+ bug21127 = '[ruby-core:120930] [Bug #21127]'
+ assert_ruby_status([], "#{<<~"begin;"}\n#{<<~'end;'}")
+ begin;
+ 5.times do
+ m = Mutex.new
+ Thread.new do
+ m.synchronize do
+ end
+ end.join
+ Fiber.new do
+ GC.start
+ m.lock
+ end.resume
+ end
+ end;
+ end
+
+ def test_unlock_locked_mutex_with_collected_fiber2
+ assert_ruby_status([], "#{<<~"begin;"}\n#{<<~'end;'}")
+ begin;
+ MUTEXES = []
+ 5.times do
+ m = Mutex.new
+ Fiber.new do
+ GC.start
+ m.lock
+ end.resume
+ MUTEXES << m
+ end
+ 10.times do
+ MUTEXES.clear
+ GC.start
+ end
+ end;
+ end
+
+ def test_mutexes_locked_in_fiber_dont_have_aba_issue_with_new_fibers
+ assert_ruby_status([], "#{<<~"begin;"}\n#{<<~'end;'}")
+ begin;
+ mutexes = 1000.times.map do
+ Mutex.new
+ end
+
+ mutexes.map do |m|
+ Fiber.new do
+ m.lock
+ end.resume
+ end
+
+ GC.start
+
+ 1000.times.map do
+ Fiber.new do
+ raise "FAILED!" if mutexes.any?(&:owned?)
+ end.resume
+ end
+ end;
+ end
end