method

report_on_exception=

v2_6_3 - Show latest stable - Class: Thread

report_on_exception=(p1)

public

When set to true, a message is printed on $stderr if an exception kills this thr. See ::report_on_exception for details.

There is also a class level method to set this for all new threads, see ::report_on_exception=.

static VALUE
rb_thread_report_exc_set(VALUE thread, VALUE val)
{
    rb_thread_ptr(thread)->report_on_exception = RTEST(val);
    return val;
}