libs/pbd/event_loop.cc

   1 #include <iostream>
   2 #include "pbd/event_loop.h"
   3 #include "pbd/stacktrace.h"
   4
   5 using namespace PBD;
   6 using namespace std;
   7
   8 Glib::StaticPrivate<EventLoop> EventLoop::thread_event_loop;
   9
  10 static void do_not_delete_the_loop_pointer (void*) { }
  11
  12 EventLoop*
  13 EventLoop::get_event_loop_for_thread() {
  14         return thread_event_loop.get ();
  15 }
  16
  17 void
  18 EventLoop::set_event_loop_for_thread (EventLoop* loop)
  19 {
  20         thread_event_loop.set (loop, do_not_delete_the_loop_pointer);
  21 }
  22
  23 /** Called when a sigc::trackable that was connected to using the invalidator() macro
  24  *  is destroyed.
  25  */
  26 void*
  27 EventLoop::invalidate_request (void* data)
  28 {
  29         InvalidationRecord* ir = (InvalidationRecord*) data;
  30
  31         if (ir->event_loop) {
  32                 Glib::Mutex::Lock lm (ir->event_loop->slot_invalidation_mutex());
  33                 for (list<BaseRequestObject*>::iterator i = ir->requests.begin(); i != ir->requests.end(); ++i) {
  34                         cerr << "Object deleted had outstanding event loop request, IR created @ "
  35                              << ir->file << ':' << ir->line
  36                              << endl;
  37                         (*i)->valid = false;
  38                         (*i)->invalidation = 0;
  39                 }
  40                 delete ir;
  41         }
  42
  43         return 0;
  44 }
  45