#include <iostream>
#include "pbd/event_loop.h"
#include "pbd/stacktrace.h"

using namespace PBD;
using namespace std;

Glib::StaticPrivate<EventLoop> EventLoop::thread_event_loop;

static void do_not_delete_the_loop_pointer (void*) { }

EventLoop* 
EventLoop::get_event_loop_for_thread() {
	return thread_event_loop.get ();
}

void 
EventLoop::set_event_loop_for_thread (EventLoop* loop) 
{
	thread_event_loop.set (loop, do_not_delete_the_loop_pointer); 
}

/** Called when a sigc::trackable that was connected to using the invalidator() macro
 *  is destroyed.
 */
void* 
EventLoop::invalidate_request (void* data)
{
        InvalidationRecord* ir = (InvalidationRecord*) data;

        if (ir->event_loop) {
		Glib::Mutex::Lock lm (ir->event_loop->slot_invalidation_mutex());
		for (list<BaseRequestObject*>::iterator i = ir->requests.begin(); i != ir->requests.end(); ++i) {
			(*i)->valid = false;
			(*i)->invalidation = 0;
		}
		delete ir;
        } 

        return 0;
}