static void __attribute__((constructor)) init()
{
register_tracepoint(ust_event, tp_probe, NULL);
register_tracepoint(ust_event, tp_probe2, NULL);
register_tracepoint(ust_event, tp_probe3, &msg_probe3);
register_tracepoint(ust_event2, tp_probe4, NULL);
}
/**
* rb_enable_traces
* This is the implementation of Tracer#enable_traces methods. It creates
* the Tracer#file_tracepoint and Tracer#fiber_tracepoint for the first time
* called. Then it also enables them immediately upon creation.
*/
static VALUE
rb_enable_traces(VALUE self)
{
VALUE file_tracepoint;
VALUE fiber_tracepoint;
file_tracepoint = register_tracepoint(self, FILE_TRACEPOINT_EVENTS, "@file_tracepoint", file_tracepoint_callback);
UNUSED(fiber_tracepoint);
// Immediately activate file tracepoint and fiber tracepoint
if (RTEST(file_tracepoint) && !RTEST(rb_tracepoint_enabled_p(file_tracepoint))) {
rb_tracepoint_enable(file_tracepoint);
}
#ifdef RUBY_EVENT_FIBER_SWITCH
fiber_tracepoint = register_tracepoint(self, RUBY_EVENT_FIBER_SWITCH, "@fiber_tracepoint", fiber_tracepoint_callback);
if (RTEST(fiber_tracepoint) && !RTEST(rb_tracepoint_enabled_p(fiber_tracepoint))) {
rb_tracepoint_enable(fiber_tracepoint);
}
#endif
return Qnil;
}
