Preview Ruby 4.1 is a preview. It can change before the final release. Switch to Ruby 4.0 →

instance method

Thread#add_trace_func

(untyped proc) -> untyped

thr.add_trace_func(proc) → proc

static VALUE
thread_add_trace_func_m(VALUE obj, VALUE trace)
{
    thread_add_trace_func(GET_EC(), rb_thread_ptr(obj), trace);
    return trace;
}

Adds proc as a handler for tracing.

See also #abort_on_exception= #alive? #abort_on_exception #backtrace also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0