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-rw-r--r--spec/ruby/core/thread/report_on_exception_spec.rb12
-rw-r--r--test/ruby/test_exception.rb1
-rw-r--r--test/ruby/test_thread.rb43
-rw-r--r--thread.c2
-rw-r--r--vm.c1
5 files changed, 42 insertions, 17 deletions
diff --git a/spec/ruby/core/thread/report_on_exception_spec.rb b/spec/ruby/core/thread/report_on_exception_spec.rb
index 4128dad470..74b7984a32 100644
--- a/spec/ruby/core/thread/report_on_exception_spec.rb
+++ b/spec/ruby/core/thread/report_on_exception_spec.rb
@@ -2,8 +2,16 @@ require File.expand_path('../../../spec_helper', __FILE__)
ruby_version_is "2.4" do
describe "Thread.report_on_exception" do
- it "defaults to false" do
- ruby_exe("p Thread.report_on_exception").should == "false\n"
+ ruby_version_is "2.4"..."2.5" do
+ it "defaults to false" do
+ ruby_exe("p Thread.report_on_exception").should == "false\n"
+ end
+ end
+
+ ruby_version_is "2.5" do
+ it "defaults to true" do
+ ruby_exe("p Thread.report_on_exception").should == "true\n"
+ end
end
end
diff --git a/test/ruby/test_exception.rb b/test/ruby/test_exception.rb
index ce3e98f2c8..fab6ec9f0f 100644
--- a/test/ruby/test_exception.rb
+++ b/test/ruby/test_exception.rb
@@ -354,6 +354,7 @@ class TestException < Test::Unit::TestCase
def test_thread_signal_location
_, stderr, _ = EnvUtil.invoke_ruby(%w"--disable-gems -d", <<-RUBY, false, true)
Thread.start do
+ Thread.current.report_on_exception = false
begin
Process.kill(:INT, $$)
ensure
diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index 9242f7f480..ed22249091 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -317,7 +317,10 @@ class TestThread < Test::Unit::TestCase
assert_in_out_err([], <<-INPUT, %w(false 1), [])
p Thread.abort_on_exception
begin
- t = Thread.new { raise }
+ t = Thread.new {
+ Thread.current.report_on_exception = false
+ raise
+ }
Thread.pass until t.stop?
p 1
rescue
@@ -329,7 +332,10 @@ class TestThread < Test::Unit::TestCase
Thread.abort_on_exception = true
p Thread.abort_on_exception
begin
- Thread.new { raise }
+ Thread.new {
+ Thread.current.report_on_exception = false
+ raise
+ }
sleep 0.5
p 1
rescue
@@ -352,7 +358,11 @@ class TestThread < Test::Unit::TestCase
p Thread.abort_on_exception
begin
ok = false
- t = Thread.new { Thread.pass until ok; raise }
+ t = Thread.new {
+ Thread.current.report_on_exception = false
+ Thread.pass until ok
+ raise
+ }
t.abort_on_exception = true
p t.abort_on_exception
ok = 1
@@ -370,17 +380,20 @@ class TestThread < Test::Unit::TestCase
q1 = Thread::Queue.new
q2 = Thread::Queue.new
- assert_equal(false, Thread.report_on_exception,
- "global flags is false by default")
- assert_equal(false, Thread.current.report_on_exception)
+ assert_equal(true, Thread.report_on_exception,
+ "global flag is true by default")
+ assert_equal(false, Thread.current.report_on_exception,
+ "the main thread has report_on_exception=false")
- Thread.current.report_on_exception = true
- assert_equal(false,
+ Thread.report_on_exception = true
+ Thread.current.report_on_exception = false
+ assert_equal(true,
Thread.start {Thread.current.report_on_exception}.value,
- "should not inherit from the parent thread")
+ "should not inherit from the parent thread but from the global flag")
- assert_warn("", "exception should be ignored silently") {
+ assert_warn("", "exception should be ignored silently when false") {
th = Thread.start {
+ Thread.current.report_on_exception = false
q1.push(Thread.current.report_on_exception)
raise "report 1"
}
@@ -388,7 +401,7 @@ class TestThread < Test::Unit::TestCase
Thread.pass while th.alive?
}
- assert_warn(/report 2/, "exception should be reported") {
+ assert_warn(/report 2/, "exception should be reported when true") {
th = Thread.start {
q1.push(Thread.current.report_on_exception = true)
raise "report 2"
@@ -397,8 +410,8 @@ class TestThread < Test::Unit::TestCase
Thread.pass while th.alive?
}
- assert_equal(false, Thread.report_on_exception)
assert_warn("", "the global flag should not affect already started threads") {
+ Thread.report_on_exception = false
th = Thread.start {
q2.pop
q1.push(Thread.current.report_on_exception)
@@ -409,8 +422,8 @@ class TestThread < Test::Unit::TestCase
Thread.pass while th.alive?
}
- assert_equal(true, Thread.report_on_exception)
assert_warn(/report 4/, "should defaults to the global flag at the start") {
+ Thread.report_on_exception = true
th = Thread.start {
q1.push(Thread.current.report_on_exception)
raise "report 4"
@@ -419,7 +432,7 @@ class TestThread < Test::Unit::TestCase
Thread.pass while th.alive?
}
- assert_warn(/report 5/, "should defaults to the global flag at the start") {
+ assert_warn(/report 5/, "should first report and then raise with report_on_exception + abort_on_exception") {
th = Thread.start {
Thread.current.report_on_exception = true
Thread.current.abort_on_exception = true
@@ -780,6 +793,7 @@ class TestThread < Test::Unit::TestCase
th_waiting = true
t = Thread.new {
+ Thread.current.report_on_exception = false
Thread.handle_interrupt(RuntimeError => :on_blocking) {
nil while th_waiting
# async interrupt should be raised _before_ writing puts arguments
@@ -800,6 +814,7 @@ class TestThread < Test::Unit::TestCase
th_waiting = false
t = Thread.new {
+ Thread.current.report_on_exception = false
Thread.handle_interrupt(RuntimeError => :on_blocking) {
th_waiting = true
nil while th_waiting
diff --git a/thread.c b/thread.c
index 02c689df05..30dfb96fb7 100644
--- a/thread.c
+++ b/thread.c
@@ -648,7 +648,7 @@ thread_start_func_2(rb_thread_t *th, VALUE *stack_start, VALUE *register_stack_s
else {
if (th->report_on_exception) {
VALUE mesg = rb_thread_to_s(th->self);
- rb_str_cat_cstr(mesg, " terminated with exception:\n");
+ rb_str_cat_cstr(mesg, " terminated with exception (report_on_exception is true):\n");
rb_write_error_str(mesg);
rb_ec_error_print(th->ec, errinfo);
}
diff --git a/vm.c b/vm.c
index cda304a078..83b0a9cffc 100644
--- a/vm.c
+++ b/vm.c
@@ -2280,6 +2280,7 @@ vm_init2(rb_vm_t *vm)
{
MEMZERO(vm, rb_vm_t, 1);
rb_vm_living_threads_init(vm);
+ vm->thread_report_on_exception = 1;
vm->src_encoding_index = -1;
vm_default_params_setup(vm);